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Carbon monoxide from California wildfires drifts east
What happens in California doesn't stay in California. This animation, made from satellite data, shows carbon monoxide from the state's massive wildfires drifting eastward all the way across the U.S.
August 16, 2018
Bam! Meteorite bombardment created Earth’s oldest rocks
A new computer modeling study shows that - some 4 billion years ago - a barrage of incoming debris from space likely formed what we know today as Earth’s oldest rocks.
August 15, 2018
What’s causing Florida’s algae crisis? 5 questions answered
Red tides and a blue-green algae outbreak are fouling hundreds of miles of coast, killing fish and driving tourists from beaches. Some causes are natural, but human actions also play a role.
August 15, 2018
The unique elephant brain
Today is World Elephant Day. Here's a look at how unique brain structures - different from those of any other mammal - are responsible for elephants' special abilities in learning and memory.
August 12, 2018
Prehistoric mass graves linked to tsunamis
“We were able to make a strong case for many of these sites being related to major tsunamis, as opposed to more standard explanations like warfare or an epidemic."
August 8, 2018
2017 was 3rd warmest year on record, says international report
According to the annual State of the Climate report, 2017 was the globe's 3rd-warmest year on record, behind 2016 (1st) and 2015. Earth also experienced record-high greenhouse gas concentrations and rises in sea level.
August 7, 2018
Think sharks are coolest ocean predators? Consider mantis shrimps
Do sharks have bullet-like strikes? Do they have super-vision? Can they take down prey in milliseconds? Mantis shrimps have these abilities - and more - to make them among the world’s most impressive predators.
August 6, 2018
Why wildfires are bigger and harder to control
It's a perfect storm of factors - including climate change, development, past forest management policies and current firefighting practices, says forestry expert.
August 2, 2018
How to see a full circle rainbow
It's possible to see the whole circle of a rainbow - but sky conditions have to be just right. Plus you have to be up high!
August 2, 2018
Which lizards can outlast a hurricane?
In the wake of hurricanes Irma and Maria, researchers document how catastrophic storms can be agents of natural selection, influencing how species evolve.
July 31, 2018
