Nell Greenfieldboyce
Stories
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Kitchen countertop workers are dying. Some lawmakers want to ban their lawsuits
Some safety experts want California to stop the cutting of quartz countertops saying it can't be done safely. Lawmakers, meanwhile, contemplate a ban on workers' lawsuits against quartz manufacturers.
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NASA set to bring astronaut (and the rest) of Crew-11 home early for medical reasons
In an unprecedented move, NASA is bringing an astronaut crew home early from the International Space Station because one astronaut has an undisclosed medical condition.
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These dogs can learn new words just by eavesdropping
Some dogs have an amazing ability to learn the names of dozens, even hundreds of toys. Now, a new study suggests these super learners can pick up new words by overhearing people talk, just as toddlers can.
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A new analysis reveals clues about when primates started walking on two feet
A big difference between humans and other apes is the ability to stride easily on two feet. A new analysis of fossil bones shows that adaptations for bipedal walking go back 7 million years.
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Discovery helps scientists understand the prehistoric roots of human cremation
Archaeologists say they've unexpectedly found a huge Stone Age cremation pyre in southern-central Africa. The discovery is helping them understand the history of cremation.
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Uncovering the mystery of how algae makes snow green, red or orange
Snow isn't always white; algae can make it look green, red, or orange, and scientists are trying to understand how and why these colorful patches appear.
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These salamanders supercool themselves to handle the snow
Blue spotted salamanders can supercool themselves so they can walk over ice and snow during their spring migrations.
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Uncovering the mystery of how algae makes snow green, red or orange
Snow isn't always white; algae can make it look green, red, or orange, and scientists are trying to understand how and why these colorful patches appear.
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These salamanders supercool themselves to handle the snow
Blue spotted salamanders can supercool themselves so they can walk over ice and snow during their spring migrations
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In the snow, these salamanders get supercool
Blue spotted salamanders have been seen walking across snow and new research suggests how they get by in the cold.
