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ScienceDaily: Top Science News |
| Sense of smell is our most rapid warning system Posted: 14 Oct 2021 07:01 AM PDT The ability to detect and react to the smell of a potential threat is a precondition of our and other mammals' survival. Using a novel technique, researchers have been able to study what happens in the brain when the central nervous system judges a smell to represent danger. The study indicates that negative smells associated with unpleasantness or unease are processed earlier than positive smells and trigger a physical avoidance response. |
| Posted: 13 Oct 2021 08:40 AM PDT Astrophysicists have investigated the past of Venus to find out whether Earth's sister planet once had oceans. |
| Strange radio waves emerge from the direction of the galactic center Posted: 12 Oct 2021 05:00 AM PDT Astronomers have detected a very unusual variable radio signal from towards the heart of the Milky Way, which is now tantalizing scientists. |
| What makes us human? The answer may be found in overlooked DNA Posted: 08 Oct 2021 07:57 AM PDT Our DNA is very similar to that of the chimpanzee, which in evolutionary terms is our closest living relative. Stem cell researchers have now found a previously overlooked part of our DNA, so-called non-coded DNA, that appears to contribute to a difference which, despite all our similarities, may explain why our brains work differently. |
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