This week: Arctic sea ice may be gone in summer by 2040, no-pain disorder decoded, mammal may have glided before birds, wild new species discovered, and more.
Who says superheroes don't exist? In China a towering shepherd used his extra-long arms to pull plastic from two dolphins' bellies—succeeding where veterinarians had been powerless.
People born with an insensitivity to pain could help researchers understand how pain works and one day develop new painkillers with fewer side effects.
The Gospel of Judas unveiled. A "lost world" of animals discovered. Explore these and other highlights of the year in nature, science, and exploration with our most popular news stories of 2006.
A deadly synergy between HIV and malaria appears to be fueling the spread of both diseases in Africa, where 4 million people die from the illnesses each year.
U.S. officials are looking in the wrong place to stop bird flu, suggests a new study, which questions the usefulness of testing Alaskan birds migrating from Russia.
Curing blindness and treating diabetes "naturally" in mice are just two of the recent breakthroughs that suggest stem cells hold real potential for helping humans.
This week: Al Gore interview, wasps' "pepper spray" weapon, pre-Inca tomb discovery, chemical secret of Stradivarius violins, new butterfly species, and more.
The first study of how large chunks of DNA differ among individuals has revealed that people are much more genetically varied than previously believed.
A genetically engineered cotton plant with lower levels of a harmful chemical in its seeds could create a rich source of protein for people in the developing world.
A new UN study reveals that nearly half the world's population lacks adequate bathroom facilities—and much political, cultural, and financial change is needed to fix it.
It's not a hoax, researchers say. Five adult siblings in Turkey can walk only on all fours and may shed light on our apelike ancestors, scientists say. Originally published March 8.
