1,662 results
1,662 results for: Ants
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Ant invaders strand seeds without rides
Invading Argentine ants may reshape the plant composition of the South African fynbos ecosystem because the newcomers don't disperse seeds.
- Tech
Exploding wires open sharp X-ray eye
Using exploding wires to make low-energy X-rays, a novel, high-resolution camera snaps X-ray pictures of millimeter-scale or larger objects—such as full insects—in which features only micrometers across show up throughout the image.
- Physics
The Brazil nut effect gets more jumbled
New and puzzling evidence for why big particles bob to the top when mixtures of granular materials are shaken-the so-called Brazil nut effect-emerges from an experiment showing that even the air between grains plays a role.
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European Union for Ants: Supercolony reigns from Italy to Portugal
European researchers have documented the largest ant supercolony yet, a network of cooperating nests that stretches from Italy to the Atlantic.
- Animals
No Tickling: Common caterpillars deploy defensive hair
The caterpillars of the European cabbage butterfly have a chemical defense system that scientists haven't documented before.
- Animals
Mole-rats: Kissing but not quite cousins
Damaraland mole-rats live underground in rodent versions of bee hives, but a genetic analysis of these colonies finds that kinship isn't very beelike.
- Animals
Sniff . . . Pow! Wasps use chemicals to start ant brawls
Wasps sneak around in ant colonies thanks to chemicals that send the ants into a distracting frenzy of fighting among themselves.
- Physics
Peer Pressure in Numbers: Physicists model the power of social sway
A mathematical model of peer-influenced behavior may help explain some unexpected patterns that have been observed in financial data and bird populations.
