Archives for the month of: May, 2012

The periodic table was developed in 1869, and predicted the existence of elements not known at the time – the latest of these was discovered in 2010.

From 20 Things You Didn’t Know About… The Periodic Table from Discover Magazine

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Light didn’t appear until half a million years after the big bang, when the photons could move around freely.

From 20 Things You Didn’t Know About… Light from Discover Magazine

Viruses aren’t really alive because they don’t have cells and don’t use energy, but they aren’t really dead either, because they reproduce and evolve. Viruses were first spotted in 1892.

From 20 Things You Didn’t Know About… Viruses from Discover Magazine

The Water Recovery System on the International Space Station turns around 93% of astronauts’ sweat and urine into drinking water.

From 20 Things You Didn’t Know About… Water from Discover Magazine

Some fish, including cichlids in Lake Malawi, have in their throats, which crush food as it is eaten. These were the earliest teeth and evolved more than 500 million years ago.

From 20 Things You Didn’t Know About… Teeth from Discover Magazine

The artificial sweetener saccharine was found by chance – the researchers were trying to find a new insecticide, and one accidentally tasted what he had made, and found that it was sweet. Don’t try this at home!

From 20 Things You Didn’t Know About… Sugar from Discover Magazine

The human gut is about five metres (around 15 feet) long when you are alive, and up to nine metres (about 30 feet) long after you die (because of the loss of muscle tone).

From 20 Things You Didn’t Know About… Digestion from Discover Magazine

In a solar eclipse, the moon’s shadow moves at up to 5000 miles an hour.

From 20 Things You Didn’t Know About… Eclipses from Discover Magazine – and there were some amazing pictures from the solar eclipse on 20 May 2012.

Yes… because of the rotation of the earth, hurricanes spin anticlockwise north of the equator and clockwise south of it. But no… toilets and draining sinks DON’T!

From 20 Things You Didn’t Know About… Hurricanes from Discover Magazine

The shortest amount of time is called Planck time, and is 0.0000000000000000000000000000000000000000001 second.

alarm clockFrom 20 Things You Didn’t Know About… Time from Discover Magazine

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