AAAS Expo 2001

BBC News Online brings you the best of audio and video coverage from the annual American Association for the Advancement of Science expo in California.

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Predicting the earth's movements

Geologists are preparing to drill directly into California's crucial San Andreas fault, in the hope that the next tremors can be analysed more efficiently in order to give a more accurate picture of the earth's seismic activity.

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Younger and healthier mice

Scientists in California are investigating a drug which delays the onset of ageing in mice involving the use of anti-oxidents - similar to current methods of preserving fruit. If successful, it could prove to be a breakthrough for humans, as the BBC's Tom Heap reports.

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Defrosting Mount Kilimanjaro

Scientists predict Mount Kilimanjaro's white peaks could vanish within 20 years if the earth continues to warm at it's current rate. Over 80% of the mountain's ice has disappeared over the past century, studies on other tropical peaks produced a similar picture.

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Finding a cure for the "burger bug"

Cattle feed could eliminate food poisoning such as the 'burger bug' ecoli microbe, scientists in America have revealed. Feeding cattle with special harmless microbes may help reduce public health hazards. The BBC's Matt McGrath reports.

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Sending scent through the PC

As researchers invent ways to send scents over the internet, the BBC's Pallab Ghosh questions whether cyber smells are really a way to send the valentines cards of the future.

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Bottles of wine

Ever wondered how to get a cork out of a bottle of wine- without using a corkscrew? It's a scientifically proven method, but you may not like what it does to the taste of the wine.

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