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NASA Rover finds conditions once suited for ancient life on Mars
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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.
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2041 |
duddy |
10 years ago |
HIV is no match for bee venom
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In a breakthrough, scientists have found that nanoparticles carrying a toxin found in bee venom can destroy HIV while leaving surrounding cells unharmed.
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1986 |
duddy |
10 years ago |
How long until it's gone?
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450 years for a plastic bottle, 50 for a Styrofoam cup, and 10 to 20 years for a plastic bag.
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4456 |
duddy |
10 years ago |
Coolest teeth
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Crabeater seal teeth are probably the strangest in the entire animal kingdom. The odd shapes work as a sieve, filtering out microscopic organisms (the seals' main food source) from sea water.
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3895 |
duddy |
10 years ago |
DNA found floating in the sky
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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.
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3903 |
duddy |
10 years ago |
Squid suckers
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No, Nintendo didn't make these. They're microscopic suckers found on squid arms, and they're each about 400 micrometres wide - smaller than the width of a human hair.
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3757 |
duddy |
10 years ago |
A road literally covered in spiders
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Arachnophobes - stay indoors. Heavy rain and flooded farmlands have caused millions of spiders to swarm over Jordan Valley Road in Hikurangi, New Zealand.
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3738 |
duddy |
10 years ago |
Evolution is sneaky
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While this little guy may look like some sort of 'Hummingbee' it's actually a Bee Fly. They sneak their eggs into beehives, where their larvae can parasitize bee larvae and eat their food reserves!
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4774 |
duddy |
10 years ago |
Did you know that bees and flowers communicate using electric fields?
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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." ...
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5172 |
duddy |
10 years ago |
Have you ever seen the sun like this?
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The Sun, through an H-alpha filter, which captures a narrow band of light containing the frequency of photons emitted when a hydrogen's electron drops from the 3 rd energy level to the 2 nd.
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5041 |
duddy |
10 years ago |
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4941 |
duddy |
10 years ago |
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4911 |
duddy |
10 years ago |
How do you stitch an eyeball?
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This is what eyeball stitches look like after a cornea transplant. Beautiful and terrifying all at once.
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3561 |
duddy |
10 years ago |
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3577 |
duddy |
10 years ago |
How many colours do you see?
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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.
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3662 |
duddy |
10 years ago |