last updated: Sep 03 2010 6:16 PM
- Sharks swarm off Australian coast
Hundreds of sharks have been spotted off the Queensland coast.
- Once bitten
Why bed-bugs are on the march again
- Let it snow
Rare collision of two weather events caused freak snow storms in Winter 2009-2010, experts say
- Earl weakens as it nears US coast
Hurricane Earl weakens as it nears the US East Coast, though officials warn it remains "large and powerful".
- Openness urged on UK's emissions
The government's chief environment scientist calls for more openness in admitting the UK's cuts in greenhouse gas emissions are an illusion.
- Technique to trace persistent CFCs
Ultrafine measurements of atmospheric gases could help scientists track down the last sources of CFCs thought to be slowing the recovery of the ozone hole.
- Did the Universe need a creator?
There is no place for God in theories on the creation of the Universe, the physicist and mathematician Professor Stephen Hawking has said.
- Memristor revolution backed by HP
A potentially revolutionary circuit component, once a laboratory curiosity, is to be mass-produced for the first time.
- Rare tree flowers after 23 years
A rare Chinese tree has flowered for the first time in 23 years at Kew's country estate in West Sussex.
- Weather clash caused snowy winter
The collision of two major weather events can explain unusually large snowfall in the US and Northern Europe, researchers say.
