Scientists identified sulfur, nitrogen, hydrogen, oxygen, phosphorus and carbon -- some of the key chemical ingredients for life -- in the powder Curiosity drilled out of a sedimentary rock near an ancient stream bed in Gale Crater on the Red Planet last month.

450 years for a plastic bottle, 50 for a Styrofoam cup, and 10 to 20 years for a plastic bag.

On 24 December 2012, an amazing double helix cloud was spotted just outside Moscow in Russia. While it's still up for debate, a pilot's perfectly timed barrel roll could have been the cause.

Arachnophobes - stay indoors. Heavy rain and flooded farmlands have caused millions of spiders to swarm over Jordan Valley Road in Hikurangi, New Zealand.

Researchers discover that bees and flowers communicate using electric fields.

"It turns out flowers have a slight negative charge relative to the air around them. Bumblebees have a charge, too.

The plant's electric field is changed by the proximity of that positively charged bee. And once the bee leaves, the field stays changed for 100 seconds or so. That's long enough for the altered field to serve as a warning for the next bee that buzzes by. She won't stop to investigate a flower that's already been visited." ...

The happiest animal in the world: The Quokka! It can be found on some smaller islands off the coast of Western Australia.

This is what eyeball stitches look like after a cornea transplant. Beautiful and terrifying all at once.

You see those embedded spirals of green, pink and blue? The green and blue spirals are actually the exact same colour.

When the green and pink colours are placed side-by-side, they enhance each other’s darker tones, making them look like completely new colours. How we perceive colours is dependant on the light and shadow surrounding them and on the placing of contrasting colours side by side.