Computer smart as a 4-year-old

Artificial and natural knowledge researchers at the University of Illinois at Chicago have IQ-tested one of the best available artificial intelligence systems to see how intelligent it really is.

Magnetic CEO, Alibaba jackpot rejuvenate Yahoo

Not much had been going right for Yahoo until it lured Marissa Mayer away from Google to become its CEO last summer. The move is shaping up as the best thing to happen to Yahoo since 2005 when it invested $1 billion in what ...

Local icosahedral order in metallic glasses

(Phys.org) —Metallic glasses are essentially a frozen, supercooled liquid. They are amorphous metals, often alloys, which are non-crystalline and therefore have a highly disordered atomic arrangement. They are true glasses ...

Broken tooth in dino tail 'proves' T. rex was predator

A broken T. rex tooth found in another dinosaur's tail bone offers the first hard evidence that the king of all meat-eating beasts hunted live prey, US paleontologists said Monday.

The heart of space weather observed in action

Two NASA spacecraft have provided the most comprehensive movie ever of a mysterious process at the heart of all explosions on the sun: magnetic reconnection. Magnetic reconnection happens when magnetic field lines come together, ...

Drought response identified in potential biofuel plant

Drought resistance is the key to large-scale production of Jatropha, a potential biofuel plant—and an international group of scientists has identified the first step toward engineering a hardier variety.

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