News tagged with age determination

Nearby ancient star is almost as old as the Universe

A metal-poor star located merely 190 light-years from the Sun is 14.46+-0.80 billion years old, which implies that the star is nearly as old as the Universe! Those results emerged from a new study led by Howard Bond. Such metal-poor stars are (s ...

Feb 25, 2013
4.5 / 5 (19) 15

Putting teeth into forensic science

In a large natural disaster, such as the Haitian earthquake earlier this year, or in an unsolved homicide case, knowing the birth date of an individual can guide forensic investigators to the correct identity ...

May 19, 2010
3.5 / 5 (2) 0 | with audio podcast

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Light scattering on dust holds clues to habitability

We are all made of dust. Dust particles can be found everywhere in space. Disks of dust and debris swirl around and condense to form stars, planets and smaller objects like comets, asteroids and dwarf planets. ...

Sep 25, 2014
3.7 / 5 (3) 2

California's sea otter numbers holding steady

When a sea otter wants to rest, it wraps a piece of kelp around its body to hold itself steady among the rolling waves. Likewise, California's sea otter numbers are holding steady despite many forces pushing ...

Sep 23, 2014
5 / 5 (1) 0

Projections for climate change in Vermont

Here's your northern Vermont forecast for the rest of this century: Annual precipitation will increase by between a third and half an inch per decade, while average temperatures will rise some five degrees ...

Sep 15, 2014
2 / 5 (4) 1

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