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Here's some science trivia for you: unlike the inner retina in most animals (including us), birds' inner retinas function without oxygen. And now, researchers led by a team from Aarhus University in Denmark have figured out how.
In the retinas of almost all vertebrates, the oxygen required to convert glucose into sufficient amounts of energy for cells to function is delivered courtesy of red blood cells.
Not so with birds: there are no blood vessels in the retina, so oxygen can only arrive by diffusion through the surface, making the inner retina anoxic (without oxygen).
Cells can squeeze e

Magnetic avalanches on the sun reveal the hidden engine powering solar flares

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A giant solar flare on our sun was powered by an avalanche of smaller magnetic disturbances, providing the clearest insight yet into how energy from our star is released in a torrent of high-energy ultraviolet light and X-rays. The discovery was made by the European ***** e Agency (ESA) Solar Orbiter mission, which is imaging the sun from closer than any ***** ecraft before it.
Some solar flares can result in c

Bitcoin’s network hashrate fell to its lowest level in seven months over the weekend as a powerful winter storm swept across the United States, forcing miners to scale back operations amid surging energy demand and widespread power disruptions.
Key Takeaways:
A US winter storm pushed Bitcoin’s hashrate to a seven-month low as miners curtailed operations to ease grid strain.
Network power fell over 40% before partially recovering.
Miners scaled back operations to help stabilize electricity grids.

https://finance.yahoo.com/...

A 2,000 year old battery, or just a very interesting pot?
This is the debate that’s been swirling over the fragments of a puzzling artifact discovered in Iraq nearly a century ago. Dubbed the “Baghdad battery,” it’s believed to have originally been a clay jar housing a copper vessel, at the center of which was an iron rod. This arrangement, either by coincidence or design, could’ve allowed it to function as a primitive galvanic cell, some archaeologists argue — a primitive energy storage device pioneered in the Western world by Alessandro Volta, after whom the “volt” was named.
These are tou

‘Walking sharks’ lay eggs without breaking a sweat

Being pregnant and giving birth is hard work for any species—but epaulette sharks (Hemiscyllium ocellatum) might disagree.
These fish and a number of other species are known as “walking sharks” for their ability to traverse both the seafloor and land with their fins. But as of now, that’s no longer the coolest thing about this rather adorable predator. Epaulette sharks’ energy use didn’t change during their reproduction cycle, as described in a study recently published in the journal Biology Open.
“Reproduction is the ultimate investment

Trump says U.S. used secret 'Discombobulator' to disable Venezuela's equipment

WASHINGTON (AP) — President Donald Trump said the U.S. used a secret weapon he called “The Discombobulator” to disable Venezuelan equipment when the U.S. captured Nicolás Maduro. Trump also renewed his threat to conduct military strikes on land against drug cartels, including in Mexico.
Trump made the comments in an interview Friday with the New York Post.
The Republican president was commenting on reports that the U.S. had a pulsed energy weapon and said, “The Discombobulator. I’m not allowed to talk about it.

Their eyes were watching. Some knew something was wrong. Others were slow to realize. Soon everyone came to grief.
Forty years ago ***** e Shuttle Challenger climbed into the clear amid blue skies over Cape Canaveral. The nation’s youth watched on TVs across the nation and from school playgrounds across Central Florida.
Christa McAuliffe was to be the first teacher in ***** e.
But the streak of the rocket’s plume did not look right.
“We definitely didn’t know what happened at the time, but you could feel the energy of the teachers,” said Elizabeth Wisner Stroz, now 51, then an 11-year-old

A laser-beam dream team has been **** embled to advance nuclear fusion, the near-limitless energy source that is being researched in labs around the world.
The promising effort has pooled knowledge from scientists at the United States Lawrence Livermore National Laboratory (LLNL) and Germany's Fraunhofer Institute for Laser Technology, bringing together "heavyweights" of laser expertise, according to a news release.
If the effort is successful, the group could help usher in a new era of air pollution-free nuclear power — minus the long-lasting radioactive waste and meltdown risks of current

Their eyes were watching. Some knew something was wrong. Others were slow to realize. Soon everyone came to grief.
Forty years ago **** e Shuttle Challenger climbed into the clear amid blue skies over Cape Canaveral. The nation’s youth watched on TVs across the nation and from school playgrounds across Central Florida.
Christa McAuliffe was to be the first teacher in **** e.
But the streak of the rocket’s plume did not look right.
“We definitely didn’t know what happened at the time, but you could feel the energy of the teachers,” said Elizabeth Wisner Stroz, now 51, then an 11-year-old in

Ukraine's grid operator says energy situation has 'significantly' worsened

KYIV, Jan 23 (Reuters) - Ukraine's energy situation "significantly" worsened on Friday after recent Russian air attacks, triggering emergency power outages in most regions, Kyiv's grid operator said.
The grim ***** sment followed a remark by Energy Minister Denys Shmyhal on Thursday that Ukraine's energy system had endured its most difficult day ‌since a widespread blackout in November 2022, when Russia began bombing the power grid.
In new comments on Friday, Shmyhal said the situation with ‌the grid remained diffi

In preparation for winter, the common shrew (Sorex araneus) shrinks its brain by 30 percent to conserve precious energy. Then, come spring, the shrew miraculously 'regrows' its shrivelled brain, neurons fully intact.
Scientists have now traced the evolutionary origins of this rare adaptation and the genes that likely enable it. While fascinating in its own right, this information may also spark new approaches to understanding and treating human brain degeneration.
Related: The Stem Cell Secrets of This Tiny Worm Could Help Unlock Human Regeneration
The unusual adaptation is known as Dehnel'

Scientists are taking a step toward developing a nearly limitless power source.
As Interesting Engineering detailed, researchers at the Karlsruhe Institute of Technology in Germany designed materials that can withstand conditions in the innermost chamber of future fusion reactors.
The team collaborated with laser-fusion company Focused Energy on the project.
The goal was to design more durable materials for the first wall of fusion reactors. That's the part of the reactor that holds plasma and protects the rest of the device from conditions formed by the plasma.
Fusion occurs naturally in

Startups will soon be ready to demonstrate how they make nuclear fusion work, but a lot of obstacles are in their way.
Could the end of the energy crisis be in sight?
"Creating a working star on Earth might sound flat-out impossible, had scientists not already gone so far toward doing it," The New York Times reported as multiple startups are looking to get fusion out of laboratories.
Fusion is the thermonuclear reaction that occurs in the core of stars, including the sun. But why all the hype around it?
As the International Atomic Energy Agency explains it, "if nuclear fusion can be replic

How do Trump's fuel economy changes affect automakers?
Who are the winners from Trump's energy policies?
What are the environmental consequences of these changes?
What impact will this have on EV adoption?
Earlier in the year, President Trump signed legislation that effectively ended fuel economy penalties for automakers. The penalties applied to automakers for failing to meet Corporate Average Fuel Economy (CAFE) standards dating back to the 2022 model year. The measure was part of the "One Big Beautiful Bill Act," signed into law in July 2025. And now the president has pushed the envelop

A new study is flipping the script on how we think about renewable energy, and it is revealing a surprising flaw in the way a major industry is funded.
UK researchers Colm O'Shea, Piers Horne, and Mark Maslin found that wind power has delivered more than $132.4 billion in total savings for consumers since 2010. Besides the work wind power has done to clean up the UK's electricity grid, this is also a major win for families and the economy.
Plus, it is a reminder that clean energy is more than just an environmental upgrade.
From 2010 to 2023, wind generation cut costs by $195.2 billion, incl

UK approves development of 190MW Helios solar project

Enso Energy has announced that the 190MW Helios renewable energy project has secured consent from the UK's Department for Energy Security and Net Zero.
The Helios solar farm project consent allows for the installation of ground-mounted solar arrays and energy storage infrastructure, supporting the generation of more than 50MW of electricity.
The project, jointly developed by Enso and Cero Generation, is situated west of Camblesforth and north of Hirst Courtney in North Yorkshire.
The scheme will also involve the construction of **** o

If you're climate-conscious, you might be interested to know that conventional cement production accounts for a massive chunk of annual global carbon dioxide emissions. Concrete and cement have been the standard for building houses and skyscrapers for decades, but the energy required to produce cement, especially for firing limestone in kilns, results in a massive environmental impact. There's an alternative right under our noses, though. Researchers in Australia have introduced a new building option called cardboard-confined rammed earth, a material made from just soil, water, and recycled ca

A mild uptick in bitcoin mining in China has prompted calls for Beijing to loosen its restrictions and let the power-hungry industry tap into the country's oversupply of energy, but experts said the likelihood of China ending its mining ban was low.
China's bitcoin mining market share by hash rate rose from 13.75 per cent in the first quarter of 2025 to 14.06 per cent in the current quarter, making it the third largest bitcoin mining country behind the US and Russia, according to Hashrate Index, a data platform operated by US bitcoin mining firm Luxor Technology.
The Hashrate Index did not d

Ukraine's deep-strike drone campaign targeting Russia's oil and gas production facilities has already cost its enemy 10 percent of its refining capacity, according to industry experts -- and Kyiv is committed to stepping things up.
"Ten percent, it's not an astonishing number," says Tatiana Mitrova of Columbia University's Center on Global Energy Policy. "But it is still something that starts to be felt with the Russian domestic fuel crisis, with reduced oil refined products exports, and general tension inside the Russian oil sector."
Ukraine has invested heavily in new long-distance drone t

Electricity prices hit record high — and it's set to get even worse

The average retail price for electricity gained 7.4% in September to a record 18.07 cents per kilowatt-hour, the biggest gain since December 2023, according to data released Tuesday.
(Bloomberg) -- American households are paying more than ever before for electricity after prices surged the most in almost two years, according to the US Energy Information Administration.
Most Read from Bloomberg
Despite Star Architect’s Alleged Misconduct, New Harlem and Princeton Museums Shine
High-Rises Are Changing the Slovak Capital o

(Photo by JasonDoiy/Getty Images)
Washington state has ambitious renewable energy goals. But as we transition away from fossil fuels, energy demand will increase as we electrify our lives and as energy-intensive industries proliferate.
This complicates our state’s path to decarbonization.
As part of the transition, solar energy in Washington could cover tens of thousands — possibly hundreds of thousands — of acres in the coming years.
Where all those solar panels go is a serious question.

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Eric Trump, co-founder of American Bitcoin Corp. (NASDAQ:ABTC), gave a virtual tour of the company’s Bitcoin (CRYPTO: BTC) mining facility in Texas on Monday,
In a video posted on X, Trump showed around the facility, which uses “American energy” on “American soil” to mine the world’s largest cryptocurrency.
“Every single day we mine about 2% of the world’s bitcoin supply,” Trump stated. “We safeguard it every single day.”
Don’t Miss: If there was a new fund backed by Jeff Bezos offering a 7

Using fossil fuels to produce energy has had a detrimental impact on the planet. Despite pushes for cleaner energy, the power sector is still the top producer of harmful emissions according to the United Nations. As it becomes clear that human-driven climate change is making it harder for trees to breathe, it is fitting that a new proposed solution is inspired by the photosynthesis of plants.
A team of researchers at the University of Cambridge has developed artificial photosynthesis. The system mimics plants by using sunlight, water, and CO2 to create energy. The benefit of this system is th

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUStheconversation.com.
How will the universe end? – Iez M., age 9, Rochester, New York
Whether the universe will “end” at all is not certain, but all evidence suggests it will continue being humanity’s cosmic home for a very, very long time.
The universe – all of **** e and time, and all matter and energy – began about 14 billion years ago in a rapid expansion called the Big Bang, but since then it has been in a state of continuous change. First, it was full of a

(Reuters) -Bitcoin mining is quietly staging a comeback in China despite being banned four years ago, as individual and corporate miners exploit cheap electricity and a data center boom in some energy-rich provinces, according to miners and industry data.
China had been the world's biggest crypto mining country until Beijing banned all cryptocurrency trading and mining in 2021, citing threats to the country's financial stability and energy conservation.
After having seen its global bitcoin mining market share slump to zero as a result of the ban, China crept back to third place with a 14% sh

Scientists led by researchers from Northwestern University in Chicago have developed a new type of fuel cell that can be harvested from dirt. This dirt fuel could provide essentially endless electricity, eliminating waste and harmful effects of other sources of fuel.
In a study published in January, the researchers outlined their findings regarding harvesting electricity from microbes, tiny organisms such as bacteria or fungi, living in the dirt.
With this new type of fuel cell, scientists hope to harness sources of energy that could act as a replacement for batteries, which can release toxi

Scientists in the U.K. have achieved a major breakthrough — a key step in unlocking greener, nearly limitless energy.
The Times reported that researchers at the U.K. Atomic Energy Authority successfully used small magnetic coils to stabilize the edge of the superheated plasma inside their apple-shaped Mega Amp Spherical Tokamak Upgrade.
Fusion energy is the same reaction that powers the sun. It works by merging or fusing two lighter atoms, like hydrogen atoms, to form a heavier atom, like helium. It releases enormous energy in the process.
Unlike fission reactions, fusion produces minimal l

Germany's economy ministry has given the green light for specialty plastics manufacturer Covestro's takeover by the United Arab Emirates' state-owned energy company.
Covestro and XRG - the investment arm of the Abu Dhabi National Oil Company (ADNOC) - announced on Friday that "all closing conditions of the transaction are fulfilled" after the European Commission approved it last week.
Formerly Bayer’s plastics division before being spun off in 2015, Covestro produces chemicals used in rigid foams for refrigerators and freezers and flexible foams for products such as car seats and mattresses.

Bitcoin (BTC) mining is no longer lucrative and several leading energy and digital infrastructure companies are exiting operations to pivot to artificial intelligence (AI).
The process of Bitcoin mining involves miners using high-end computing power to solve complex cryptographic functions so that you can verify and add blocks containing BTC transactions to the chain. In exchange for securing the Bitcoin network, miners receive rewards in the form of BTC.
Related: Veteran trader who called 2018 Bitcoin collapse now predicts 35% crash
The price of Bitcoin has grown exponentially over the yea

Renewable computing company Soluna Holdings and crypto mining hardware manufacturer Canaan recently announced a partnership to launch a 20-megawatt wind-powered bitcoin mining project in Texas. The data center, known as Project Dorothy, will primarily run on wind energy with a supplemental grid connection to ensure steady, uninterrupted operation.
"The site primarily runs on behind-the-meter wind power but can also draw from the grid to ensure very high uptime," Nangeng Zhang, chairman and CEO of Canaan, said in a news release. "This is a unique advantage that combines reliable operations wit