Most modern bacteria descended from ancestors who could convert the Sun's energy to fuel more than 3.5 billion years ago.
Cell & Microbiology
Mar 15, 2016
0
112
Arundo donax, a giant reed that grows in the Mediterranean climate zones of the world, isn't like other prolific warm-weather grasses, researchers report. This grass, which can grow annually to 6 meters (nearly 20 feet) in ...
Biotechnology
Mar 7, 2016
0
428
During the daytime, plants convert the Sun's energy into sugars using photosynthesis, a complex, multi-stage biochemical process. New work from a team including Carnegie's Mark Heinnickel, Wenqiang Yang, and Arthur Grossman ...
Cell & Microbiology
Feb 26, 2016
0
447
One hundred and fifty feet above the ground in the Amazonian rainforest, a vast ocean of green spreads out in every direction. The rainforest canopy is made up of mostly tropical evergreen trees, which take in enormous amounts ...
Environment
Feb 25, 2016
0
50
Researchers at Umeå University and the Swedish University of Agricultural Sciences have discovered that increasing levels of CO2 in the atmosphere have shifted photosynthetic metabolism in plants over the 20th century. This ...
Environment
Dec 7, 2015
2
2449
A new study shows that iron-bearing rocks that formed at the ocean floor 3.2 billion years ago carry unmistakable evidence of oxygen. The only logical source for that oxygen is the earliest known example of photosynthesis ...
Earth Sciences
Oct 6, 2015
1
4135
An international team has succeeded in considerably increasing the efficiency for direct solar water splitting with a tandem solar cell whose surfaces have been selectively modified. The new record value is 14 percent and ...
Materials Science
Sep 15, 2015
7
2048
The Earth's atmosphere contains oxygen because plants continuously produce it through photosynthesis. This abundant supply of oxygen allows life forms like animals to flourish. Therefore, oxygen had been thought to be an ...
Astronomy
Sep 10, 2015
5
228
An isolated, iron-rich bay in the heart of East Africa is offering scientists a rare glimpse back into Earth's primitive marine environment, and supports theories that tiny microbes created some of the world's largest ore ...
Earth Sciences
Sep 9, 2015
1
104
Refined by nature over a billion years, photosynthesis has given life to the planet, providing an environment suitable for the smallest, most primitive organism all the way to our own species.
Materials Science
Sep 2, 2015
1
69
