Looking for LUCA, the last universal common ancestor

Around 4 billion years ago there lived a microbe called LUCA: the Last Universal Common Ancestor. There is evidence that it could have lived a somewhat 'alien' lifestyle, hidden away deep underground in iron-sulfur rich hydrothermal ...

Scientists find genes to save ash trees from deadly beetle

An international team of scientists have identified candidate resistance genes that could protect ash trees from the Emerald Ash Borer (EAB), a deadly pest that is expected to kill billions of trees worldwide.

Organismal biologists needed to interpret new trees of life

Rapidly accumulating data on the molecular sequences of animal genes are overturning some standard zoological narratives about how major animal groups evolved. The turmoil means that biologists should adopt guidelines to ...

Darwin's Tree of Life May Be More Like a Thicket

(PhysOrg.com) -- In On The Origin of Species, Darwin used the image of a tree of life to illustrate how species evolve, one from another. Even today, branches sprouting from lower branches (representing ancestors) is how ...

The chocolate genome, unwrapped

Halloween is about monsters, ghouls and most of all, goodies. Kids might be more concerned about the quantity of treats that drop into their plastic pumpkin baskets than their quality -- but for chocolate, new research promises ...

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