Why climate summits fail – and three ways to save them

Editor’s Note – Newsflare247.com:After nearly 30 years of global climate talks, emissions are still rising – proof that the system is broken. Francesco Grillo argues it’s time to rethink how the world makes climate decisions, with new models of governance, smarter financing, and more inclusive representation. His proposal challenges not just policy, but the way …

Human ancestors were exposed to lead millions of years ago, and it shaped our evolution

A 2 million-year-old tooth of an early human ancestor. Fiorenza and Joannes-Boyau

When we think of lead poisoning, most of us imagine modern human-made pollution, paint, old pipes, or exhaust fumes. But our new study, published today in Science Advances, reveals something far more surprising: our ancestors were exposed to lead for millions of years, and it may have helped shape the evolution of the human brain.