How grasses avoid inbreeding

Corn, rice, wheat, sugar cane—the grass family contains a number of species that are important food sources for humans and have been bred and cultivated for millennia. Wild and farm animals, too, depend heavily on grasses ...

Researchers ID chemical that influences songbirds' song choice

New research in songbirds sheds more light on the decision-making process in the brain. In this study, researchers discovered that sensory input from the locus coeruleus—the area of the brainstem known primarily for mediating ...

400-year-old Hong Kong tree to be chopped down

A 400-year-old banyan tree in Hong Kong will be cut down, authorities said Friday, after being hit by a fungal disease brought on when a park development starved its roots of oxygen and nutrients.

Taking stock of technology

At the recent Harvard IT Summit, Anne Margulies, vice president and University chief information officer, mentioned how Harvard had been at the forefront of information technology since its inception, even to the point of ...

How does inbreeding avoidance evolve in plants?

Inbreeding is generally deleterious, even in flowering plants. Since inbreeding raises the risk that bad copies of a gene will be expressed, inbred progeny suffer from reduced viability.

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