Mass extinction: Can we stop it, and can we learn anything from the fate of the dinosaurs?
Research into past mass extinctions is providing fresh insights into the environmental challenges we face today.
The animal blingdom
We take a look some of our favourite show-offs from the animal kingdom.
What would alien life look like?
Nope, not green men.
- Prof Gordon Wallace tells us about a new type of implantable fibre that could let us treat illnesses without drugs.
- How scientists are fighting fire with fire.