A Strain of Tuberculosis Traveled Across The Pacific Thousands of Years Pre-Contact

Centuries before first contact with Europeans, new research suggests a strain of tuberculosis was already circulating from the South American coasts to the mountains. Deadly European diseases, like tuberculosis (TB), whooping cough, and smallpox, were spread around the world with colonization, but recent evidence indicates this wasn’t the first time TB arrived in South America. … Read more

Elephant seals seem to have precise mental maps for navigating home

Northern elephant seals seem to know how far they have travelled and when they need to head back towards the beaches where they breed Life 28 February 2022 By Chen Ly An adult female elephant seal on a beach at Año Nuevo State Park in California Dan Costa Northern elephant seals (Mirounga angustirostris) return to … Read more