Christina Larson
All Stories

Why doing good also makes us feel good, during the holidays and beyond
The holiday season is a time for giving thanks, giving gifts -- and for many, a time for giving back.

Blind people can hear and feel April’s total solar eclipse with new technology
An astronomer who is blind collaborated with a Harvard astronomer to design the LightSound box, which translates changing light in the sky into differing musical notes. Another device allows users...

Beloved monarch butterflies now listed as endangered
The monarch butterfly fluttered a step closer to extinction Thursday, as scientists put the iconic orange-and-black insect on the endangered list because of its fast dwindling numbers.

World’s biggest bacterium found in Caribbean mangrove swamp
Scientists have discovered the world's largest bacterium in a Caribbean mangrove swamp.

Oldest human footprints in North America found in New Mexico
Fossilized footprints discovered in New Mexico indicate that early humans were walking across North America around 23,000 years ago, researchers reported Thursday.

Scientists hail golden age to trace bird migration with tech
Putting beacons on birds is not novel. But a new antenna on the International Space Station and receptors on the Argos satellite are allowing scientists to remotely monitor songbird movements...

Protected areas cover a sixth of Earth’s land and freshwater, according to UN report
Roughly a sixth of the planet’s land and freshwater area now lies within protected or conservation areas, according to a United Nations report released Wednesday.

Climate Summit Day 2 message: Invest big for big payoff
The White House brought out the billionaires, the CEOs and the union executives Friday to help sell President Joe Biden’s climate-friendly transformation of the U.S. economy at his virtual summit...

“The water had totally vanished”: Wolves preying on beavers in Minnesota reshape wetlands
One spring afternoon in 2015, biologist Thomas Gable followed signals from a gray wolf’s GPS tracking collar to a small stream in Minnesota’s Voyageurs National Park. There he found a...

After wolves rebound across the West, future up to voters
The saucer-sized footprints in the mud around the bloody, disemboweled bison carcass were unmistakable: wolves.