Earth & Environment
Scientists turn plastic bottles into clean hydrogen using only sunlight
Plastic waste is one of the world's biggest environmental problems. Millions of tons of plastic end up in landfills, rivers, and oceans every year,...
New printable cooling technology could replace harmful refrigerants
Air conditioners, refrigerators, and heat pumps help keep our homes, workplaces, and food cool. However, the refrigerants they use can create environmental and safety...
Europe’s last Neanderthals were more diverse than scientists ever imagined
A new study has revealed that the last Neanderthals living in Western Europe were far more connected and genetically diverse than scientists once believed.
The...
3-billion-year-old asteroid crater offers rare window into Earth’s violent past
Scientists have confirmed the age of the oldest known asteroid impact crater on Earth, revealing that a huge space rock struck our planet about...
New material could pull carbon dioxide directly from the air
Scientists in Spain have developed a new material that can capture carbon dioxide (CO₂) directly from the air more efficiently than many current technologies.
The...
Scientists find 1,000s-year-old human DNA hidden in cave walls
Scientists have made an exciting discovery that could change the way we study human history.
For the first time, researchers have shown that ancient human...
Earth’s oldest crater really is more than 3 billion years old
In the Pilbara of Western Australia, some of Earth's oldest rocks lie beneath the sky, as they have for billions of years.
They are dark,...
Australia’s under-16 social media ban has had little immediate impact, study finds
Australia became the first country in the world to introduce a nationwide law aimed at preventing children under the age of 16 from having...
Australia’s under-16 social media ban has had little immediate impact, study finds
Australia became the first country in the world to introduce a nationwide law aimed at preventing children under the age of 16 from having...
AI could deliver relevant online ads without tracking your every move, study finds
For years, online advertising has been built on a simple idea: if companies want to show people relevant ads, they need to collect large...
Did gravitational tides cause Earth’s extinctions?
Life on Earth took a long evolutionary journey that eventually created us, the purportedly intelligent species that dominates the planet.
But there was no grand...
Heat barcodes could make plastic recycling smarter and cleaner
Recycling plastic is much harder than many people realize.
Every day, homes and businesses throw away large amounts of plastic, which is collected and sent...
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For the ancient Maya, cracked mirrors were a path to the world beyond
Some people fear that breaking a mirror can lead to seven years of misfortune.
The history of this superstition may go back to the ancient...
Scientists discover places on the moon where it’s always ‘sweater weather’
People could potentially live and work in lunar pits and caves with steady temperatures in the 60s.
Future human explorers on the moon might have...
Scientists turn plastic bottles into clean hydrogen using only sunlight
Plastic waste is one of the world's biggest environmental problems. Millions of tons of plastic end up in landfills, rivers, and oceans every year,...
If you have high blood pressure or heart problems, don’t go to these places
In a recent state from AHA, researchers found visiting high-altitude locations may be dangerous for people with high blood pressure or certain heart conditions.
They...
How dog breeds differ in pain sensitivity and how it can fool even vets
Do you ever wonder how sensitive your dog is to pain?
Turns out, a dog's breed can make a difference, but the perceived pain sensitivity...
Brain size doesn’t guarantee smarter foraging: study challenges long-held theory
Primates, including humans, typically have larger brains than most other mammals.
Scientists have long thought that this difference in brain size is related to diet,...
How air pollution may raise depression risk in older people
Air pollution is often talked about as a threat to our lungs and hearts, but scientists are now finding that it can also affect...
July 22, 2024: Earth’s hottest day ever recorded, NASA reports
NASA has reported that July 22, 2024, was the hottest day ever recorded on Earth.
This finding comes from NASA's analysis of global temperature data,...