Notebook
- Animals
Some African birds follow nomadic ants to their next meal
Specialized interactions between birds and driver ants in Africa could help explain why the birds are especially sensitive to forest disturbances.
- Health & Medicine
Iron deficiency goes unnoticed in too many U.S. female adolescents
Low iron causes problems from dizziness to severe anemia. It’s time to reevaluate screening guidelines to catch the problem earlier, an expert argues.
- Health & Medicine
50 years ago, scientists thought coffee might treat hyperactivity
Decades of follow-up research into whether caffeine can treat the symptoms of kids with ADHD has come up with more questions than answers.
- Archaeology
Indigenous input revealed early hints of fiber making in the tropics
To decipher marks on nearly 40,000-year-old stone tools and figure out what they were used for, researchers turned to the Philippines’ Pala’wan people.
- Astronomy
50 years ago, a search for proof that the Maya tracked comets came up short
The mystery of whether the ancient civilization tracked comets endures, but recent evidence hints the Maya tracked related meteor showers.
- Tech
How understanding horses could inspire more trustworthy robots
Computer scientist Eakta Jain pioneered the study of how human-horse interactions could help improve robot design and shape human-robot interactions.
- Life
‘Polyester bees’ brew beer-scented baby food in plastic cribs
Ptiloglossa bees’ baby food gets its boozy fragrance from fermentation by mysteriously selected microbes.
- Life
50 years ago, flesh-eating screwworms pushed scientists to mass produce flies
"Fly factories” dreamed up in the early 1970s have helped North and Central America keep screwworms in check for decades.
- Plants
A hunt for fungi might bring this orchid back from the brink
Identifying the fungi that feeds the Cooper’s black orchid in the lab may allow researchers to bank seeds and possibly regrow the species in the wild.
- Science & Society
Deliberate ignorance is useful in certain circumstances, researchers say
The former East German secret police, the Stasi, spied on people for years. But when given access to the Stasi files, most people didn’t want to read them, researchers found.
- Climate
There’s good and bad news with California’s electric vehicle program
The electric vehicle program is reducing carbon dioxide emissions but also shifting the pollution burden to the state’s most disadvantaged communities.
- Space
50 years ago, cosmic rays may have caused Apollo astronauts to see lights
Apollo astronauts reported seeing flashes of light where there were none. Fifty years later, the flashes still mess with modern astronauts’ vision.
