Carnegie Institution for Science

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
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Biochemistry detective work: Algae at night

Photosynthesis is probably the most well-known aspect of plant biochemistry. It enables plants, algae, and select bacteria to transform the energy from sunlight during the daytime into chemical energy in the form of sugars ...

Nov 10, 2014
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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 (24) 11

Climate change: Don't wait until you can feel it

Despite overwhelming scientific evidence for the impending dangers of human-made climate change, policy decisions leading to substantial emissions reduction have been slow. New work from Carnegie's Katharine ...

Apr 25, 2014
3.3 / 5 (34) 40

Coral growth rate plummets in 30-year comparison

A team of researchers working on a Carnegie expedition in Australia's Great Barrier Reef has documented that coral growth rates have plummeted 40% since the mid-1970s. The scientists suggest that ocean acidification ...

Sep 17, 2014
4 / 5 (4) 0

Drought hormones measured

Floods and droughts are increasingly in the news, and climate experts say their frequency will only go up in the future. As such, it is crucial for scientists to learn more about how these extreme events affect plants in ...

Apr 15, 2014
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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

Climate: Meat turns up the heat

Eating meat contributes to climate change, due to greenhouse gasses emitted by livestock. New research finds that livestock emissions are on the rise and that beef cattle are responsible for far more greenhouse gas emissions ...

Jul 21, 2014
2.1 / 5 (15) 3