When photosynthetic cells absorb light from the sun, packets of energy called photons leap between a series of light-harvesting proteins until they reach the photosynthetic reaction center. There, cells convert the energy ...
Biochemistry
Jul 3, 2023
0
4533
Scientists studying submerged sinkholes in the Great Lakes off the coast of northern Michigan have stumbled onto something they never expected to find: life forms akin to those found in some of Earth's most extreme environments.
Ecology
May 4, 2009
2
0
Nearly all life on Earth depends on photosynthesis, the conversion of light energy into chemical energy. Oxygen-producing plants and cyanobacteria perfected this process 2.7 billion years ago. But the first photosynthetic ...
General Physics
Jul 29, 2015
8
2804
Photosynthesis has driven life on this planet for more than 3 billion years—first in bacteria, then in plants—but we don't know exactly how it works.
Biotechnology
Mar 20, 2018
0
828
Purple bacteria were among the first life forms on Earth. They are single celled microscopic organisms that play a vital role in sustaining the tree of life. This tiny organism lives in aquatic environments like the bottom ...
Soft Matter
May 3, 2010
1
1
In its billions of years on earth, plant life has become super-efficient at using light – and now it's showing how it does it.
General Physics
Nov 1, 2016
0
44
From house plants and gardens to fields and forests, green is the color we most associate with surface life on Earth, where conditions favored the evolution of organisms that perform oxygen-producing photosynthesis using ...
Astrobiology
Apr 16, 2024
6
127
Sunlight, one of the planet's most abundant sources of renewable energy, could be used to power lasers, according to a study from Heriot-Watt University.
General Physics
Jan 25, 2022
3
84
In diagrams it looks like a confection of self-curling ribbon with bits of bling hung off the ribbon here and there. In fact it is a carefully designed ring of proteins with attached pigments that self-assembles into a structure ...
Materials Science
Aug 21, 2013
0
0
Pigments found in plants and purple bacteria employed to provide protection from sun damage do more than just that. Researchers from the University of Toronto and University of Glasgow have found that they also help to harvest ...
Cell & Microbiology
Apr 4, 2013
0
0
