Is everything we know about how life began wrong? New theory claims DNA and RNA 'rose together' at the same time
A radical new theory claims that how we thought life began on Earth could be wrong.
Most scientists back the 'RNA world' hypothesis, a well established theory for how RNA molecules evolved to create proteins and DNA.
However, a new study led by scientists at The Scripps Research Institute instead says RNA and DNA evolved simultaneously four billion years ago.
THE NEW THEORY Researchers believe RNA and DNA may have arisen in tandem.
If the two evolved at the same time, DNA could have established its own homogeneous system early on.
RNA could have still evolved to produce DNA, but that... read more
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