Raging Australian bushfires hit Sydney suburbs

Bushfires raging across eastern Australia singed Sydney's suburbs on Tuesday, with firefighters scrambling planes and helicopters to douse a built-up neighbourhood with water and red retardant.

Scientists discover skin keeps time independent of the brain

Squids, octopuses, cuttlefish, amphibians, and chameleon lizards are among the animals that can change the color of their skin in a blink of an eye. They have photoreceptors in their skin that operate independently of their ...

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