Jane Goodall, the conservationist renowned for her groundbreaking chimpanzee field research and globe-spanning environmental advocacy, has died. She was 91. The Jane Goodall Institute announced her death Wednesday, saying she died of natural causes while in California on a U.S. speaking tour. Goodall is best remembered for living among chimpanzees in Africa decades ago and documenting the animals using tools and doing other activities previously believed to be exclusive to humans. She also noted their distinct personalities. Her observations and subsequent magazine and documentary appearances in the 1960s transformed how the world perceived not only humans’ closest living biological relatives but also the emotional and social complexity of all animals.

Detainees arriving at the immigration detention center in the Florida Everglades are given color-coded uniforms and segregated based on criminal history and flight risk. That is according to a handbook made public as part of a lawsuit over attorney access at the site known as “Alligator Alcatraz.” Civil rights and environmental groups have filed three lawsuits over conditions. In one lawsuit, civil rights groups argued the facility operates outside federal law. They asked a federal judge in Fort Myers this week to stop the facility from holding detainees. A different federal judge ordered it closed in August for environmental reasons, but it remains open pending appeals.

Researchers have discovered life-size rock carvings of camels, gazelles and other animals in Saudi Arabia. The carvings date back around 12,000 years and many are over 6 feet tall. Scientists say they were created using a wedge-shaped rock to make sharp lines. Scientists weren’t sure if humans lived in the desert during this time period since conditions were dry and water was scarce. The art and tools show that people lived in the area about 2,000 years earlier than previously thought, though it's not yet clear how they survived. The findings were published Tuesday in the journal Nature Communications.

Australian scientists have tested bite-resistant wetsuits by letting sharks bite them at sea. The study shows these suits can help keep swimmers safe. While fatal shark bites are rare, increased shark sightings have people looking for protection. Researchers at Flinders University tested four materials and found they all reduced damage from shark bites. The materials don't prevent bites but can lessen injuries compared to standard wetsuits. Newer designs offer flexibility for activities like surfing and diving. Experts say these suits are promising for those in shark-prone areas but caution is still needed.

Residents of a San Francisco Bay Area city are on the lookout for an aggressive squirrel that has sent at least two people to the emergency room. Joan Heblack told ABC affiliate KGO-TV that she was walking in a San Rafael neighborhood when a squirrel attacked her leg. Isabel Campoy says she too had been walking in the Lucas Valley neighborhood of San Rafael when the squirrel attacked, leaving her arm bloody. Flyers are now posted warning residents of the “very mean squirrel.” Experts say the squirrel was likely accustomed to people feeding and caring for it. Squirrels are not vectors for rabies.