Science writing intern, Fall 2021
Freda Kreier was an intern at Science News in the fall of 2021. She holds a bachelor’s degree in molecular biology from Colorado College and a master’s in science communication from the University of California, Santa Cruz.
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All Stories by Freda Kreier
Health & Medicine
A hormone shot helped drunk mice sober up quickly
Drunk mice injected with the hormone FGF21 woke up and regained their balance faster than inebriated mice that did not receive the shot.
Chemical signals from fungi tell bark beetles which trees to infest
As fungi break down defensive chemicals in trees, some byproducts act as signals to bark beetle pests, telling them which trees are most vulnerable.
76 percent of well-known insects fall outside protected areas
Protected areas can provide safe havens for insects, but many existing ones fall short, a new study finds.
Fossils suggest early primates lived in a once-swampy Arctic
Teeth and jawbones found on Ellesmere Island, Canada, suggest that two early primate species migrated there 52 million years ago.
Indigenous people may have created the Amazon’s ‘dark earth’ on purpose
Modern Amazonians make nutrient-rich soil from ash, food scraps and burns. The soil strongly resembles ancient dark soils found in the region.
Health & Medicine
Brain scans suggest the pandemic prematurely aged teens’ brains
A small study suggests that the COVID-19 pandemic may have aged teen brains beyond their years.
A spider monkey’s remains tell a story of ancient diplomacy in the Americas
A 1,700-year-old spider monkey skeleton unearthed at Teotihuacan in Mexico was likely a diplomatic gift from the Maya.
Carvings on Australia’s boab trees reveal a generation’s lost history
Archaeologists and an Aboriginal family are working together to rediscover a First Nations group’s lost connections to the land.
Some harlequin frogs — presumed extinct — have been rediscovered
Colorful harlequin frogs were among the hardest hit amphibians during a fungal pandemic. Some species are now making a comeback.
This ancient Canaanite comb is engraved with a plea against lice
The Canaanite comb bears the earliest known instance of a complete sentence written in a phonetic alphabet, researchers say.
Some seabirds survive typhoons by flying into them
Streaked shearwaters off the coast of Japan soar for hours near the eye of passing cyclones as a strategy to weather the storm.
This spider literally flips for its food
The Australian ant-slayer spider’s acrobatics let it feast on insects twice its size, a new study shows,