Tough to beat
Boron suboxide may be the new second hardest material
Vital statistics
Universe has 70 sextillion stars
Water proof
Mars may support life
Is there anybody out there?
An amino acid's discovery in deep space raises hope of finding life forms there
Quantum jump for computers
Two recent experiments at the atomic level raise hopes of quantum computing
Iron mask
Anti-corroding metallurgy found in Delhi's famous iron pillar