Life’s story may stretch further back than scientists once thought. Some genes found in nearly every organism today were already duplicated before all life shared a common ancestor. By tracking these ...

Around 1550, life on Rapa Nui began changing in ways long misunderstood. New research reveals that a severe drought, lasting more than a century, dramatically reduced rainfall on the already ...

Explore Claude for Education by Anthropic. Learn about Learning Mode, Canvas integration, Teach For All partnership, and how ...

As with randomization, if allocation to the study drug is not carried out in accordance with the protocol, the entire study ...

Delhi Police have launched a probe into the alleged circulation of a PDF of Four Stars of Destiny, the unpublished memoir of former Army Chief General MM Naravane. Authorities say the book has not ...