Species are surrounded by other species (often sharing the same body), and therefore may interfere with one another’s fitness.
Eric Bapteste, a researcher at Sorbonne University, just co-authored a review discussing genetic change in the context of aging.
In 2016, physicist Lawrence Krauss promised, “We’re coming very close” to explaining the origin of life via chemical evolutionary models.
Our planet’s view of the sun is critical to life, obviously, but equally critical is that it’s a shielded view.
The authors argue that RNA molecules appeared in warm little ponds more than 4.17 billion years ago, transported by “meteorites and interplanetary dust particles.”