News tagged with early earth

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Meteorites: Tool kits for creating life on Earth

Meteorites hold a record of the chemicals that existed in the early Solar System and that may have been a crucial source of the organic compounds that gave rise to life on Earth. Since the 1960s, scientists have been trying ...

Aug 08, 2011
4.3 / 5 (6) 3 | with audio podcast

A safer recipe for primordial soup

Researchers have published a simpler, safer method for conducting Miller-Urey origin of life experiments—which may still yield new insight about how life began on Earth.

Feb 03, 2014
4.3 / 5 (6) 5 | with audio podcast

Magnesium oxide: From Earth to super-Earth

The mantles of Earth and other rocky planets are rich in magnesium and oxygen. Due to its simplicity, the mineral magnesium oxide is a good model for studying the nature of planetary interiors. New work from ...

Nov 22, 2012
4.2 / 5 (6) 0 | with audio podcast

Amino acid alphabet soup

All life on Earth relies on a standard set of 20 amino acids to build the proteins that carry out life's essential actions. But did it have to be this way?

Aug 19, 2011
4.4 / 5 (5) 9 | with audio podcast

'Baby fat' on the young sun?

To deal with the faint young Sun paradox, researchers are taking a fresh look at an old idea: that the Sun started out larger and more luminous than we thought.

Feb 14, 2012
4.2 / 5 (5) 13 | with audio podcast

Life's first taste of phosphorus

Despite its impressive biological resume, phosphorus is relatively inaccessible as elements go. To understand how phosphorus obtained its prominent role, scientists are modeling the early geochemical environment ...

Aug 23, 2012
5 / 5 (4) 1 | with audio podcast