成人快手

Using chilli essence in local anaesthetics could help target only the pain-sensitve neurons and not block all feeling. Half a century after the first satellite, Sputnik, orbited the earth, a report on 50 years of satellite technology. The discovery of a massive skull of a new species of herbivorous duck-bill dinosaur in Utah, USA. Why did the prehistoric sabre-toothed cat have razor-sharp 15cm fangs? Investigating chimpanzee behaviour around fairness and how the results fit into evolutionary theroy.