Elephant tooth evolution rooted in grass

Once they developed a taste for grass, the ancestors of today's elephants swiftly broadened their leaf-only diet and placed their progeny on a new evolutionary track, a study said Wednesday.

Dry heat increases bark beetle bite

Climate change appears to be good news for destructive bark beetles, according to a new study by Lorenzo Marini from the University of Padova in Italy, and his team. Their work, published online in Springer's Climatic Change, ...

Novel gene increases yeast's appetite for plant sugars

For thousands of years, bakers and brewers have relied on yeast to convert sugar into alcohol and carbon dioxide. Yet, University of Wisconsin-Madison researchers eager to harness this talent for brewing biofuels have found ...

Beetle, fungus deliver one-two punch to black walnut trees

(PhysOrg.com) -- A newly discovered disease, caused by a previously undescribed fungus hitchhiking on a tiny native bark beetle, is infecting and killing hundreds of black walnut trees in California and seven other Western ...

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