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…
Category: Life
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…
Ultrasound Helps to Unlearn Fear
Summary: Can we “unlearn” fear using sound? Neuroscientists demonstrated for the first time that targeted ultrasonic waves can help the human brain overcome fearful memories more quickly. By directing high-frequency,…
