Scientists propose new hypothesis on the origin of life

The Miller-Urey experiment, conducted by chemists Stanley Miller and Harold Urey in 1953, is the classic experiment on the origin of life. It established that the early Earth atmosphere, as they pictured it, was capable of ...

Stay or stray? Study delves into sexual behaviour

Scientists said Wednesday they had amassed the first evidence to back theories that people fall into two broad categories—promiscuity or faithfulness—when it comes to sex.

Building a digital life form: OpenWorm, Open Source

(Phys.org) —The worm Caenorhabditis elegans is one of the most widely studied creatures. Scientists consider the worm a model organism for exploring animal development including neural development. The reasons are basic; ...

Like humans, chimps are born with immature forebrains

In both chimpanzees and humans, portions of the brain that are critical for complex cognitive functions, including decision-making, self-awareness and creativity, are immature at birth. But there are important differences, ...

Warmer oceans could raise mercury levels in fish

Rising ocean surface temperatures caused by climate change could make fish accumulate more mercury, increasing the health risk to people who eat seafood, Dartmouth researchers and their colleagues report in a study in the ...

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