The Science of Siblings: Understanding Autism in Identical Twins

The Science of Siblings explores how identical twins Sam and John Fetters, both on the autism spectrum, showcase the mystery of how a highly genetic disorder can manifest differently in siblings who share the same genome. The twins' story sheds light on the interplay between genetics and environmental factors in autism development.

Discovery of New Species of Snake in the Amazon Rainforest

Scientists in the Amazon rainforest discovered a new species of snake, the northern green anaconda, rumored to be the biggest in the world. The team found anacondas measuring up to 20.7 feet long and weighing up to 1,100 pounds. The newly identified species diverged from the southern green anaconda almost 10 million years ago and differs genetically by 5.5%.