Dog sleuths are faster, cheaper and more accurate than people collecting hundreds of leaves for lab analysis, according to the study in the Proceedings of National Academies of Sciences.
A small prosthetic enables jellyfish to swim three times faster and more efficiently without causing any apparent stress to the animals, which have no brain, central nervous system or pain receptors, the researchers say.
The level of antibiotic waste exceeds safety thresholds by up to 300 times in rivers around the world, according to a new study.
Researchers believe the ice formed relatively recently because the sites appear smooth on the surface and there are no signs of craters that would be formed by celestial debris smashing into the planet over time.
New report by a global rights group says torture, mutilation and murder motivated by sexual orientation are "still common" though legislative progress protecting LGBT rights has been made.
Up to 4,100 children have suffered major congenital defects after their mothers took valproate to treat epilepsy. The drug has been prescribed since 1967.
Astronomers have discovered the planets orbiting the same star some 40 light-years away.
Attitudes towards the value of elections and virtue of authoritarianism finds younger people in developed countries have less faith in democracy than their parents and grandparents, a study has found.
Malnutrition and unhealthy diets contribute to the global burden of diseases, leaving 1/3 of people around the world undernourished or overweight.
Study suggests babies who engage in musical play may have an easier time picking up language skills
Sea level may rise higher than predicted from ice melting and low-lying cities could face possible disaster by end of century
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