How oxygen-producing cyanobacteria facilitated complex life

The "Great Oxygenation Event" (GOE), the process whereby the Earth's atmosphere was continuously enriched with oxygen, a waste product of photosynthesis, began ~2.43 billion years ago. The source, according to science, was ...

Eyjafjallajokull's iron-rich ash fertilized North Atlantic Ocean

In about a third of the global ocean, the abundance of life is limited by a dearth of biologically available iron. The supply of iron to a region that is depleted in this important nutrient can stimulate algal productivity, ...

Plastic-eating enzymes could help solve pollution problem

Two new enzymes can break down one of the most common single-use plastics, according to the study "Modulating biofilm can potentiate activity of novel plastic-degrading enzymes" by Brunel University London published in the ...

Evolution may explain 'Runner's high,' study says

(HealthDay) -- The pleasurable feeling known as "runner's high" that's triggered by aerobic exercise may have played a role in the evolution of humans' ability to run long distances, a new study suggests.

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