This Week in Science

In Science this week, a group from the Ludwig Maximilian University of Munich report a chemical method to synthesize the nucleotide bases adenine and guanine at high quantities, providing evidence to support the theory that RNA was the original self-replicating molecule that gave rise to life on Earth. The RNA-world hypothesis posits that life arose from a set of small molecules assembled to produce nucleosides and later informational polymers capable of replicating themselves.

Get the full story

This story is free
for registered users

Registering provides access to this and other free content.

Register now.

Already have an account?
Login Now.

Jay Shendure and his colleagues have developed a new method to more comprehensively identify human cell types, the NY Times reports.

Researchers in the UK and Japan have shown that infertility in mice with three sex chromosomes can be overcome, according to the Guardian.

China is embracing preimplantation genetic diagnosis, Nature News reports. 

In PLOS this week: host genetic factors associated with cervical neoplasia progression, population patterns for an ancient flowering rainforest plant, and more.