History of Andromeda galaxy studied through stellar remains

The Andromeda galaxy (or M31) is the massive galaxy nearest to us, and it is an excellent laboratory to study the characteristics and the history of great galactic spirals such as our own Milky Way. An international group ...

Explainer: What is the molecular clock?

In the 150 years since Charles Darwin recognised the kinship of all life, scientists have worked to fulfil his dream of a complete Tree of Life. Today, the methods used to trace the evolutionary branches back through time ...

'Be different or die' does not drive evolution

A new study has found that species living together are not forced to evolve differently to avoid competing with each other, challenging a theory that has held since Darwin's Origin of Species.

Research confirms Chinese origin of NZ's PSA outbreak

University of Otago scientists have today published persuasive evidence that the PSA strains responsible for the outbreak in North Island kiwifruit orchards came directly from China, as did those responsible for the 2008 ...

Researchers find our inner reptile hearts

An elaborate system of leads spreads across our hearts. These leads – the heart's electrical system – control our pulse and coordinate contraction of the heart chambers. While the structure of the human heart has been ...

The Worm That Turned Evolutionary Key

(PhysOrg.com) -- The Keelworm, widespread in the seas and tide-pools around Scotland and the rest of the UK, is unwittingly helping scientists at the University of St Andrews to understand the evolution of modern animals.

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