Rethinking Australia's climate history

Researchers at the University of Adelaide have found evidence of climate change that coincided with the first wave of European settlement of Australia, which effectively delivered a double-punch of drying and land clearance ...

Not to scale? Maya civilizations show strange correlation

Researchers who study urban areas have long observed a connection between size and proximity—namely, that cities become more dense as they gain in population. The more people live in a place, the closer together they live ...

Ants turn unwelcome lodgers into a useful standing army

Mercenary soldiers are notoriously unreliable because their loyalty is as thin as the banknotes they get paid, and they may turn against their employers before moving on to the next dirty job. Not so in fungus-farming ants, ...

EU launches probe into suspected chipmaker cartel

EU anti-trust authorities announced on Monday a formal cartel probe into smartcard chipmakers—the motors for everything from bank and mobile SIM cards to electronic ID papers, after talks aimed at securing an amicable settlement ...

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