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