Summary: We’ve long known that the human eye is capable of incredible detail, but a “missing link” in science remained: does that sharp vision come from the eyes, the brain,…
Category: Life
Cicadas use darkness cues from shadows to move toward trees
When periodical cicadas surface after years underground, they don’t grope blindly for trees. They head for the shadows, researchers report March 20 in the American Naturalist. A detailed analysis of…
Fossil reveals that an early relative of spiders had claws
A stunningly preserved fossil shows that early relatives of spiders and scorpions were already armed with their hallmark front claws about half a billion years ago. The newly described animal…
Link Found Between Antibiotics and Depression in Pregnancy
Summary: While antibiotics are lifesaving tools, their impact may extend beyond fighting infection to affecting maternal mental health. A massive nationwide study has identified a “stepwise” link between antibiotic use…
Direct Link Between Stress and Addiction Found
Summary: Why does a stressful day at work make a drink feel like a necessity rather than a choice? Researchers have mapped a previously unknown “direct line” in the brain…
Secrets of the Bees zooms in on life in a hive
At the edge of a wildflower meadow sits an unassuming tan box with a pitched roof. But a closer look reveals the box is buzzing with activity — literally. The…
Irregular Bedtime Doubles Cardiac Risk
Summary: It’s not just how much you sleep, but when you go to bed that matters for your heart. A decadelong study revealed that inconsistent bedtimes in midlife can double…
