Copying behavior in social groups may be governed by optimal control theory
Nature has provided herding animals and flocking birds with abilities to react to predator attacks and to sense risky features in their environment— like trees or cliffs—that might impede their defense. ...
To dial, perchance to group: Statistical analysis reveals clustered telephony patterns
Math model suggests fishing out older members may destroy collective fish school memory
From chaos to order: How ants optimize food search
Ants are capable of complex problem-solving strategies that could be widely applied as optimization techniques. An individual ant searching for food walks in random ways, biologists found. Yet the collective ...
Municipalities should promote interculturalism
Accompanied by her husband, a woman goes to the library to borrow a book. When the librarian asks her for ID, her husband intervenes and takes out the woman's card from his pocket. Surprised, the city employee ...
Proposed Quantum Computer Consists of Billions of Electron Spins
Data-gathering Tumbleweed robot seeks to understand desertification
Mathematical description of relationship between thickness, temperature, and resistivity could spur advances
MIT researchers have discovered a new mathematical relationship—between material thickness, temperature, and electrical resistance—that appears to hold in all superconductors. They describe their findings ...
Most American presidents destined to fade from nation's memory, study suggests
American presidents spend their time in office trying to carve out a prominent place in the nation's collective memory, but most are destined to be forgotten within 50-to-100 years of their serving as president, ...
Honeycombs of magnets could lead to new type of computer processing
Scientists have taken an important step forward in developing a new material using nano-sized magnets that could ultimately lead to new types of electronic devices, with greater capacity than is currently ...
Evolution shapes new rules for ant behavior
In ancient Greece, the city-states that waited until their own harvest was in before attacking and destroying a rival community's crops often experienced better long-term success.
Chemists develop new technique for nanostructure assembly
A team of researchers from the University of Florida department of chemistry has developed a new technique for growing new materials from nanorods.