Early mammals weren’t all loners, as scientists thought – some already lived in pairs alongside the dinosaurs
Read More 5 minute read Math and the Sciences Nature Horseshoe crab blood is vital for testing intravenous drugs, but new synthetic alternatives could mean pharma won’t bleed this unique species dry Horseshoe crabs in spawning season at Reeds Beach, N.J., on June 13, 2023. AP Photo/Matt Rourke Kristoffer Whitney,… byKristoffer WhitneyOctober 25, 2023