Early mammals weren’t all loners, as scientists thought – some already lived in pairs alongside the dinosaurs
Read More 2 minute read Earth Health and Body Math and the Sciences Study Links Toxic Chemicals in Climbing Shoes to Air Pollution in Gyms A new study finds that rubber from climbing shoes releases toxic chemicals into gym air—reaching pollution levels seen on city streets and raising concerns about indoor air quality. byGil CaparasMay 11, 2025