The Evolution of Sleep: 700 Million Years of Melatonin
By CARL ZIMMER A new study suggests that humans’ melatonin-driven sleep cycles started some 700 million years ago, […]
Science
Why Some Monarch Butterflies Are Marathoners
By SINDYA N. BHANOO Researchers find a gene that plays a critical role in determining whether monarchs are […]
In Indonesia, Authorities Stop Sale of Endangered Manta Rays
By CLAIRE MALDARELLI Indonesian authorities announced four arrests in connection with the attempted trafficking of more than 1,400 […]
Rock-Paper-Scissors: You vs. the Computer
By Test your strategy against the computer in this rock-paper-scissors game illustrating basic artificial intelligence. Published: January 12, […]
U.S. to Increase Production of the Ebola Drug ZMapp, but ...
By ANDREW POLLACK Despite the new efforts, supplies of the drug, ZMapp, are expected to be limited to […]
The Butterfly Nebula from Hubble
The bright clusters and nebulae of planet Earth’s night sky are often named for flowers or insects. Though […]
Four Deaths Are Linked to a Respiratory Illness
By ANAHAD O’CONNOR The respiratory virus has been found in at least four people who died, and has […]
A Study Bolsters a Call to Use Long-Acting Contraceptives
By PAM BELLUCK In a program offering sexually active teenagers in St. Louis free birth control, pregnancy and […]
Overseas Trade Alters a Lizard’s Stocks
By DOUGLAS QUENQUA The rise of the global shipping trade has caused a fundamental shift in how species […]
Nature in the Balance, Gene Tests, Artificial Sweetners and Diabetes
By THE NEW YORK TIMES Letters to the editor and online comments. Published: September 30, 2014 at 12:00AM […]