| More Recent Headlines |
| News Finding common ground can reduce parents' hesitation about vaccines May 21 2019 6:00 AM Physicians are examining whether discussing shared health goals can bring vaccine-hesitant parents on board. READ MORE  |
| Feature How the battle against measles varies around the world May 21 2019 6:00 AM Measles is a global health threat. Snapshots of several countries show how stopping its spread depends on local conditions and beliefs. READ MORE |
| News in Brief Signs of red pigment were spotted in a fossil for the first time May 21 2019 5:00 AM For the first time, scientists have identified the chemical fingerprint of red pigment in a fossil. READ MORE |
| News Bad moods could be contagious among ravens May 20 2019 5:37 PM Ravens may pick up and share their compatriots' negativity, a study on the social intelligence of these animals suggests. READ MORE |
| Context These are the top 10 landmarks in the history of making measurements May 20 2019 9:00 AM Little appreciated but vastly important, metrology celebrates a long history with the adoption of new definitions for key units. READ MORE |
| News The kilogram just got a revamp. A unit of time might be next May 20 2019 7:00 AM After years of preparation, new definitions for the basic units of mass, temperature and more have now gone into effect. READ MORE |
| News This early sauropod went from walking on four legs to two as it grew May 20 2019 5:00 AM A new computer analysis shows how Mussaurus patagonicus's weight shifted toward its hips as it grew, confirming fossil hints of how its gait changed. READ MORE |
| News How allergens in pollen help plants do more than make you sneeze May 19 2019 8:00 AM A plant's view of what humans call allergens in pollen grains involves a lot of crucial biology. And sex. READ MORE |
| News Key parts of a fruit fly's genetic makeup have finally been decoded May 17 2019 12:05 PM Jumping genes may make it possible to divvy up chromosomes. READ MORE |
| News An experiment hints at quantum entanglement inside protons May 17 2019 11:18 AM Particles inside protons seem to be linked on a scale smaller than a trillionth of a millimeter. READ MORE |
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