Discovered more than half a century ago in Kenya and sitting in museum storage ever since, the roughly 20-million-year-old fossil Propotto leakeyi was long classified as a fruit bat. Now, it’s helping researchers rethink the early evolution of lemurs, distant primate cousins of humans that today are only found on ... Read More »
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Tag Archives: when
When it comes to regrowing tails, neural stem cells are the key
Cut off a salamander’s tail and, in a few weeks, a near-perfect replacement grows. Do the same to a lizard and a new tail will regrow, but it won’t be the same as the original. By comparing tail regeneration between the two animals, researchers at the University of Pittsburgh School ... Read More »
‘Black Beauty’ meteorite reveals when life may have existed on Mars
The early surface of Mars consisting of a liquid magma ocean crystallised extremely rapidly, just 20 million year after the formation of the solar system. Thereafter, a solid crust emerged on the red planet potentially housing oceans with water and life. This was about 130 million years before a corresponding ... Read More »