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 organ development breakthrough

Plants grow upward from a tip of undifferentiated tissue called the shoot apical meristem. As the tip extends, stem cells at the center of the meristem divide and increase in numbers. But the cells on the periphery differentiate ...

Dec 03, 2012 not rated yet 0 | with audio podcast

Global warming's record-setting pace

The pace of global warming over the last century has been about twice as rapid over land than over the oceans and will continue to be more dramatic going forward if emissions are not curbed. According to ...

Feb 17, 2014 4 / 5 (23) 11

What makes cell division accurate?

As all school-children learn, cells divide using a process called mitosis, which consists of a number of phases during which duplicate copies of the cell's DNA-containing chromosomes are pulled apart and ...

Jan 23, 2014 4.5 / 5 (6) 0

Geoengineering by coalition

Solar geoengineering is a proposed approach to reduce the effects of climate change due to greenhouse gasses by deflecting some of the sun's incoming radiation. This type of proposed solution carries with it a number of uncertainties, ...

Feb 21, 2013 not rated yet 0

Leading plant database goes subscription

The Arabidopsis Information Resource (TAIR), a database of genetic and molecular biology data for the laboratory plant Arabidopsis thaliana, is one of the most widely used plant databases in the world. Some ...

Sep 04, 2013 not rated yet 0