“It’s pretty clear that this is an on-off switch for sperm,” says Lonny Levin ... Of course, there is a big caveat: Mice are not people. But humans also have the sAC enzyme, and in males ...

scientists from George Washington University published an amazing study arguing that they had found the "on-off switch" to the human brain, a veritable key to consciousness. The researchers found ...

The scientists developed an insulin molecule with an “on-and-off switch” that automatically ... sugar levels have to fluctuate to a very large degree and cause a steep rise for the molecule ...

The discovery has huge potential implications for patients with epilepsy or in semi-conscious states, but this is a very early stage: so far, this on/off switch ... brick in a large edifice ...