Science
It costs a staggering $750 in the US.
Scientists were astounded by the outcome.
It lived 2.5 billion years ago...
Global warming threatens its future.
Meteorites could hold the clue to Earth's origin.
'Regeneration gives animals...immortality.'
They would supply electricity to devices for more than 5,000 years.
"It would mean that the laws of nature were not always the same as they are today.”
Scientists have proved that silicon-carbon bonds can form organically.
They've been 'hiding' for billions of years.