With Oil Prices Rising, Wood Makes a Comeback
With oil prices rising people are turning to wood heat, raising concerns about the environmental impact of some older devices that are being used. nytimes.com
Tiny people 'don't undermine hobbits'
AN Australian archaeologist who helped discover the so-called hobbit people in Indonesia has defended his findings, after new research in Palau showed tiny humans once lived on the island. news.com.au
Ancient ocean-floor sediment shows asteroid sizes
Countless asteroids have struck Earth during its multi-billion-year history, leaving few clues to their size because they vaporize on impact and leave no crater or fall into the ocean. However, a new study suggests the asteroids may ... english.people.com.cn