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Denver 2003 Thursday, 17 April, 2008, 11:55 GMT 12:55 UK
Ligo, NSF Gravitational wave detector all set
An observatory built to search for ripples in space-time is ready for action.
Atomic clock No time left to lose
Scientists are developing atomic clocks that will be so accurate they will lose less than a second by the time the world ends in a few billion years.
Image, BBC Bioterror fears muzzle open science
A group of leading scientific journals will restrict publication of research if it is felt the information could aid bioterrorists.
Leatherback turtle Leatherbacks 'extinct in 30 years'
The largest turtles in the world will be extinct within a few decades if current fishing practices continue, scientists say.
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Full festival report



Conference round-up


People who believe they have been kidnapped by aliens show 'real' signs of trauma, scientists say
Alien encounters


Leatherback turtles 'could be extinct in 30 years', scientists warnTurtle alert
Leatherbacks 'extinct in 30 years'

Scientists discover how low-frequency sounds help them predict volcanic eruptions, as well  as tornadoes and incoming asteroidsVocal volcano
How the Earth's 'singing' can signal eruptions

Malaria claim
$500m investment 'would cut African child deaths'
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