407 results
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Venom hunters
Scientists probe toxins, revealing the healing powers of biochemical weapons.
- Humans
An ancient remedy: Bitter herbs and sweet wine
New chemical analyses of wine jars suggest that ancient Egyptians mixed medicinal plants into wine.
- Life
Early land arthropods sported shells
Ancient ocean-dwelling arthropods may have worn shells to enable their transition to land.
- Health & Medicine
Location matters
Scientists find the role of dopamine varies from one end of a brain region to another.
- Animals
Pothole Pals: Ants pave roads for fellow raiders
By throwing their bodies into tiny potholes on rough trails, army ants enable their comrade to race over them, improving the colony's overall foraging success.
- Animals
Live Prey for Dummies: Meerkats coach pups on hunting
Meerkats easing their pups into the job of handling live prey are among the few animal species shown so far to be natural teachers. With audio.
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Hot, Hot, Hot: Peppers and spiders reach same pain receptor
The burn of hot peppers and the searing pain of a spider bite could have a common cause.
- Health & Medicine
Pick Your Antipoison
New research may soon make treating venomous bites and stings less expensive, less risky, and more effective.
- Animals
Science behind the Soap Opera
Tight family groups of meerkats in Africa's arid lands offer a chance to see the costs, as well as the charms, of cooperation. With audio.
- Humans
From the March 23, 1935, issue
Darwin's favorite plant is re-studied, rare hydrogen isotope is extracted from water, and need for strong lighting is questioned.
- Paleontology
Fossil confirms that early arthropods molted
A 505-million-year-old fossil provides hard proof of that ancient arthropods shed their exoskeletons during growth, just as their modern relatives do.
- Math
Pinpointing Prey
Eight command neurons (black) represent the eight directions of the legs from which they receive input. Partner neurons (gray) send inhibitory signals. van Hemmen et al./Physical Review Letters Under cover of darkness, a burrowing cockroach skitters across the desert sand. Its rapidly moving legs excite tiny ripples that travel along the ground, tipping off a […]
