In the News
Dr. Mei Zhen comments on the value of working face-to-face with Harvard collaborators as a Radcliffe fellow to create a comprehensive neuronal map of the juvenile C. elegans, the pin-head sized nematode worm.
Radcliffe fellow and Iraqi scholar Harith Al-Qarawee comments on the Iraqi elections for a new speaker in Parliament.
Parts of the world are facing a new “demographic time bomb,” one that threatens skyrocketing health care and pension costs as populations age. “It was really a shocking realization that this was happening,” said Mary Brinton, whose work explores declining fertility rates in postindustrial societies.
Evolutionary biologists have long held up songbirds, particularly the Galapagos finches first described by Charles Darwin, as an example of natural selection at work. In order to exploit different environments and food sources, the birds developed a startling variety of beak shapes — from short, blunt beaks ideal for cracking seeds and nuts to long, slender beaks designed to sip nectar from flowers. The assumption was that natural selection was the primary, if not the sole, cause for the variation.