Carnegie Institution for Science

Mercury mineral evolution

Mineral evolution posits that Earth's near-surface mineral diversity gradually increased through an array of chemical and biological processes. A dozen different species in interstellar dust particles that formed the solar ...

Jun 25, 2012 4.8 / 5 (5) 3 | with audio podcast

Plant research funding crucial for the future

The scientific community needs to make a 10-year, $100 billion investment in food and energy security, says Carnegie's Wolf Frommer and Tom Brutnell of the Donald Danforth Plant Science Center in an opinion piece published ...

Jun 01, 2012 not rated yet 0

Geoengineering: A whiter sky

One idea for fighting global warming is to increase the amount of aerosols in the atmosphere, scattering incoming solar energy away from the Earth's surface. But scientists theorize that this solar geoengineering could have ...

May 31, 2012 4.4 / 5 (5) 16 | with audio podcast

Old star, new trick

The Big Bang produced lots of hydrogen and helium and a smidgen of lithium. All heavier elements found on the periodic table have been produced by stars over the last 13.7 billion years. Astronomers analyze starlight to determine ...

Apr 30, 2012 5 / 5 (10) 30 | with audio podcast