Earth & Environment
Could a Common Road Chemical Quietly Increase Alzheimer’s Risk?
Scientists are paying increasing attention to pollution that comes from vehicle tires.
Unlike exhaust emissions, tiny particles released as tires wear down receive much less...
Could Invisible Microplastics Raise Your Risk of Heart Attacks?
Plastic has become part of everyday life. It is used in food packaging, drink bottles, clothing, household products, cars, and countless other items.
As these...
Tiny bottle filter could bring safe drinking water to millions during floods and droughts
A team of researchers has created a small, portable water filter that could make it much easier for people to get clean drinking water...
Heat Waves and Dirty Air May Damage Your Heart
Hot weather does more than make people feel uncomfortable. It can also place extra strain on the heart and blood vessels.
Doctors from Vanderbilt University...
Most Americans prefer to die at home, but the US healthcare system often prevents...
Ask people what they want at the end of their lives, and overwhelmingly the answers will revolve around comfort, dignity and time at home...
Scientists discover mild warming rewires one-third of microalgae genes
Tiny microalgae may be invisible to the human eye, but they play a huge role in keeping Earth healthy.
They absorb large amounts of carbon...
New water sensors may help stop fish die-offs before they begin
New technology could soon help protect fish farmers around Africa's largest lake by providing early warnings before dangerous water conditions lead to mass fish...
Nearly one in four Dutch honeybee colonies died last winter, raising fresh concerns
Nearly one in four honeybee colonies in the Netherlands did not survive the winter of 2025–2026, according to a new national survey.
Researchers say the...
Neanderthals were thriving just before they disappeared, new DNA study reveals
For many years, scientists have wondered why Neanderthals disappeared after surviving for hundreds of thousands of years.
A new study suggests that, at least in...
Most of moon’s water likely remains chemically bound in its deep interior
After decades of analyzing reams of lunar rocks back here on Earth, the canonical view of the Moon was that it was anhydrous; that...
Slowing Atlantic Ocean current could bring stronger storms to California, study finds
A huge ocean current in the Atlantic Ocean may seem far away from California, but new research suggests it could have a major impact...
Busy roads can become deadly traps for bumblebees, new study warns
Roadside flowers may seem like a perfect place for hungry bumblebees to find food. However, new research from Sweden shows that these colorful roadside...
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Walking on two legs began earlier than we thought
Scientists may have just pushed back the timeline for when our ancestors first started walking upright.
A new study suggests that Sahelanthropus tchadensis, a species...
Ocean has 20 million tons of gold in it! Can we extract it?
The ocean has about 20 million tons of gold in it — that’s around 700 TRILLION DOLLARS worth of gold!
In this episode of Reactions,...
Earth and Theia were neighbors before they collided
According to the leading theory of how the Earth-Moon system formed (the Giant Impact Hypothesis), a Mars-sized object (named Theia) collided with a proto-Earth...
Elephants: The unsung heroes sustaining millions of dung beetles in East Africa
Have you ever wondered how many dung beetles live in East Africa?
This question inspired a research project over 20 years ago when Frank Krell,...
Your dog’s personality can change
In a new study, researchers found dog owners could change their pets’ personality.
This is because dogs, like people, have moods and personality traits which...
Why are big storms bringing so much more rain?
For three hurricane seasons in a row, storms with record-breaking rainfall have caused catastrophic flooding in the southern United States: Harvey in 2017, Florence...
Long before bees: Flowers were blooming 123 million years ago
Flowers have been brightening Earth much longer than scientists previously believed—by at least two million years.
In a new study, researchers from Leibniz University Hannover...
New findings challenge old beliefs about earthquake causes
Scientists at Brown University have discovered a new factor that significantly influences where and how earthquakes occur.
Their research shows that the geometry of fault...