Though humans’ nearly hairless bodies stick out like a cowlick among other primates, our nakedness isn’t unique in the world of mammals. Dolphins and whales are naked, says biological anthropologist…
Author: ID
Marcos Simões-Costa asks how cells in the embryo get their identities
Growing up in Brazil, Marcos Simões-Costa often visited his grandparents’ farm in the Amazon. That immersion in nature — squawking toucans and all — sparked his fascination with science and…
The pandemic may be stunting young adults’ personality development
The psychological development of young adults may have taken a hit, thanks to the COVID-19 pandemic. In typical times, people tend to become more conscientious and agreeable and less neurotic…
This robotic pill clears mucus from the gut to deliver meds
A mucus-wicking robotic pill may offer a new way to deliver meds. The multivitamin-sized device houses a motor and a cargo hold for drugs, including ones that are typically given…
Ancient fish fossils highlight the strangeness of our vertebrate ancestors
My, what small teeth they had. A newfound treasure trove of ancient fish fossils unearthed in southern China is opening a window into the earliest history of jawed vertebrates —…
False teeth could double as hearing aids
Prosthetic teeth could make great hearing aids. Vibrations applied to replacements for lost teeth travel well through jawbones to the inner ear, researchers report in the September Journal of the…
Save Our Sequoias Act Poses More Threat than Promise
By Susan Britting and Isabella Langone Giant sequoia (Sequoiadendron giganteum) at the Mariposa Grove of Giant Sequoias; Image: Jeff Bisbee In the last two years, California’s leaders have allocated unprecedented…
‘Fen, Bog & Swamp’ reminds readers why peatlands matter
Fen, Bog & SwampAnnie ProulxSimon & Schuster, $26.99 A recent TV ad features three guys lost in the woods, debating whether they should’ve taken a turn at a pond, which…
A Caribbean island gets everyone involved in protecting beloved species
The coral reef, once bustling with more than 5,000 long-spined sea urchins, became a ghost town in a matter of days. White skeletons with dangling spines dotted the reef near…
In Maya society, cacao use was for everyone, not just royals
In ancient Maya civilization, cacao wasn’t just for the elites. Traces of the sacred plant show up in ceramics from all types of neighborhoods and dwellings in and around a…

