First complete look at a prehistoric penguin
A giant penguin fossil from New Zealand has been reconstructed after 35 years.
Neanderthals were disappearing before modern humans arrived
European Neanderthals were already on the verge of extinction 50,000 years ago.
Do pacemakers work even after death?
The pacemaker does not take over from the heart; it merely helps to regulate the sequence and timing of your heartbeat.
Satellite cameras could be used for facial recognition
Photos from surveillance cameras, YouTube and Facebook could be used for forensic investigatons.
Are computer chips made out of sand?
The small integrated circuits are usually built out of semiconducting materials such as quartz.
How does HDTV work?
The crisp, sharp images we see on digital televisions are the result of how the signal is broadcast, received and displayed.
