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Wolfe Creek Crater

Wolfe Creek Crater

Hundreds of thousands of years ago, a cosmic missile smashed into outback Australia, creating one of the largest meteorite craters on the planet.


Sudan Pyramids

Sudan's forgotten pyramids

Archaeologists say the pyramids, cemeteries and ancient palaces of the Nubian Desert in northern Sudan hold mysteries to rival ancient Egypt.



Magnets in LHC

World's helium supply running low

Helium is the lifeblood of particle accelerators such as the Large Hadron Collider. As supply dwindles, physicists need to preserve this commodity or learn to live without it.



King Tut Mask

Secrets of the ancients

King Tut is only one in a growing list of ancient humans forced to reveal their secrets through high-tech prodding. By rushing into such studies, we may be opening a historical Pandora's Box.


Thunderstorm over Sydney

The gathering storms

City dwellers of the future will experience more violent thunderstorms more often. And Mother Nature has nothing to do with it: our built environment is manufacturing its own weather.




Lady smelling flower

Digital scents

One day soon you may be able to capture a fragrance snapshot of your environment and send it attached to a text message or email.



Barack Obama

Will our grandchildren revile the 'lost decade'?

The noughties dawned with a global strategy to fight climate change but ended with the U.N. system in tatters while greenhouse gases spewed with few constraints.



Dead Sea

Dead Sea needs world help to survive

The Dead Sea may soon shrink to a lifeless pond as political strife blocks vital measures to halt decay of the world's lowest and saltiest body of water.


Arctic Reindeer

Global warming: growing threat to reindeer

As rising temperatures and development strip the Arctic of food and grazing land for reindeer, so too do the indigenous Sami people risk the loss of an important part of their culture.