Special fences built around dams in arid parts of Australia could help eradicate poisonous cane toads, according to new research.

Based on a study of its skull, scientists say that an extinct one-tonne relative of the guinea pig probably used its 30cm incisors like tusks.

The UK nurse Pauline Cafferkey probably caught Ebola by wearing a visor instead of goggles while treating patients, an investigation has concluded.

DNA from an illegally shot and killed red deer has been used for the first time in the UK to help prosecute a poacher.

Records of carbon dioxide in the atmosphere millions of years ago support current predictions on the likely future course of climate change, say scientists.