Saturday, July 24, 2010
Wednesday, July 14, 2010
Matt Ridley: When ideas have sex
"Scientists have in the past estimated that the Earth's development, a process known as accretion where gas, dust and other material clumped together to form the planet, happened over just 30 million years.
But the new research suggests this process may have taken up to 100 million years – more than three times longer than previous estimates."