6,697 results
- Paleontology
Paleotrickery: A lengthy lineage for leaf-mimicking insects
Species in one group of insects have escaped the hungry eye of predators by looking like foliage and moving like swaying leaves for at least 47 million years, a new fossil find suggests.
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- Animals
Honeybee mobs smother big hornets
Honeybees gang up on an attacking hornet, killing it by blocking its breathing.
- Physics
Scanner Darkly: Tiny venetian blinds enhance radiography
Microscopic gratings that select scattered X rays might improve luggage screening and cancer detection.
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- Animals
Tough policing deters cheating in insects
In insect societies that have tough police, it's coercion, rather than kinship, that's preventing crime.
- Animals
Not So Spineless
Looking for personalities in animals, even among spiders and insects, could add new twists to ideas about evolution and explain some odd animal behavior.
- Humans
From the February 26, 1938, issue
Evidence of religious head-hunting in ancient Peru, the link between climate and body size, and chest pain tied to obesity.
- Archaeology
La Brea del Sur
Excavations at tar pits in Venezuela suggest that the fossils found there may rival those of the famed Rancho La Brea tar pits in Southern California.
- Plants
Stalking the Green Meat Eaters
Pitcher plants in a New England bog hold little ecosystems in their leaves, and also act as indicators of the bog's ecological health.
- Math
Creeping Up on Riemann
Theorists find the first example of an elusive complex function that just may help them solve the biggest problem in mathematics.
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Air’s oxygen content constrains insect growth
The size to which insects grow is limited by their need to route oxygen to tissues in their legs.
