Scientific American Magazine

Remarkable new treatments can free millions of kids and adults from the deadly threat of peanut allergy, tackling one of our fastest-growing medical problems

Total reversals in scientific thinking are rare—but earth-shattering

Long dismissed as impossible, nerve regrowth is offering new hope for healing injuries and treating neurodegeneration

Synthetic polymers were supposed to free us from the limitations of our natural resources. Instead they led to an environmental crisis

The universe has a habit of disproving “unassailable” facts

DNA holds our genetic blueprints, but its cousin, RNA, conducts our daily lives

The search for extraterrestrial life has periodically been turned upside down

Other species exhibit capabilities that were once thought to be exclusive to Homo sapiens

The Juno spacecraft has rewritten the story on Jupiter, the solar system’s undisputed heavyweight

Washing waste from the brain is an essential function of sleep—and it could help ward off dementia