Hummingbirds want the sweet stuff. And when they don't get it, they look mad. August 21, 2014 Hummingbirds evolved to prefer nectar when other birds lack the ability to perceive sweetness…
I contain multitudes August 21, 2014 What do our genetic contradictions mean? Do they play an important role in our biology? At this…
Part D gains may be eroding August 21, 2014 In its first few years, national data shows Medicare Part D did help elderly Medicare beneficiaries…
Pop awake at night? Researchers blame 'sleep switch' in your aging brain August 20, 2014 Researchers report that they’ve found a group of neurons that function as a kind of “sleep switch,”…
Young blood to be used in ultimate rejuvenation trial August 20, 2014 In October, people with Alzheimer's disease will be injected with the blood of young people in the…
I, intern: Wielding scalpels and fielding pages August 20, 2014 This weekly series follows six interns over the course of their first year as they step into their…
Army doctor promotes use of tourniquets among domestic first responders August 20, 2014 The White House’s National Security Council staff has assembled a team of 50 public health experts…
Harvard researcher on aging: There's no 'limit on the human lifespan' August 19, 2014 David Sinclair, professor of genetics at HMS, is profiled in a segment with Katie Couric.
Supercooled organ donations could last for days August 19, 2014 Scientists preserve viable rat livers for 3 days with a new method, according to a study by HMS…