The specimen taken from the Pacific shelf may hold evidence of a distant supernova explosion, which rained high-energy particles on Earth several million years ago.
British scientists say they will host a $ 650 million program to look for the chemical signs of life on planets that orbit the distant stars.
Scientists at Stanford Medical University (USA) have discovered a new method that can detect cancer in the early stages with a micro-DNA sequence.
Eurekalert, an electronic science magazine, reported that scientists have found a way to diagnose early cancer by water molecules.