Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
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The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
A ball of glass will bounce higher than a ball made of rubber.
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Some toothpastes and deodorants contain the same chemicals found in antifreeze.
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Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Iron weighs more after it rusts.
16
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21