Research, discovery, and the human stories behind the science — explained clearly and sourced carefully.
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For more than a century, one of the most common hormone disorders in the world has had the wrong name. Polycystic ovary syndrome — PCOS — has officially been renamed polyendocrine metabolic ovarian syndrome, or PMOS. The change, published in The Lancet, comes after 14 years of global collaboration involving 56 organizations and input from over 22,000 patients and health professionals. The problem with the old name was fundamental. The "cysts" it refers to are not actually cysts — they are arrested ovarian follicles, and some patients do not even have them. Worse, the name reduced a complex, multisystem hormonal condition to a single organ, contributing to decades of misdiagnosis and overlooked metabolic risk. Here is what the new name actually means, and why it matters for the 170 million women living with the condition. Read the full story below.

Until about 2015, family estrangement was one of the most common experiences nobody studied. Karl Pillemer at Cornell was stunned to find 27 percent of Americans were currently estranged from a family member. Here is what the research — slowly, carefully assembled across two decades — actually found

The viral version says your tears contain a painkiller six times stronger than morphine. The actual research — conducted across 35 countries, published in peer-reviewed journals, involving thousands of participants — is more nuanced, more honest, and considerably more interesting.

In 2013, a team of Finnish researchers gave 701 people a blank outline of a human body and asked them to colour where they felt each emotion. The results — published in one of the world's most prestigious scientific journals — were consistent across cultures and changed how scientists think about the relationship between the body and the mind

Scientists have calculated that an average human would need a wingspan of at least 6.7 metres — roughly 22 feet — to generate enough lift to fly. That's the wingspan of a small aircraft. And wings would be the least of your problems.

Mount St. Helens shook for two months and recorded more than 10,000 earthquakes before it exploded. The pressure had been building for 123 years. The science of why volcanoes don't erupt immediately turns out to be one of the most precise explanations in nature for why nothing that eventually breaks does so without warning.

In 1957, a psychologist named Leon Festinger proved that human beings will rewrite reality rather than admit they are wrong. History's greatest cover-ups didn't happen because powerful people were uniquely evil. They happened because the human brain was designed to protect itself from a very specific kind of pain

In 1688, a philosopher asked a riddle about blindness and sight. It took 315 years and five surgeries to answer it. The answer unsettled everything we thought we knew about how we see.

Margaret A. Wilcox invented the technology inside every car, truck, train, and airplane on Earth. She wasn't allowed to patent it under her own name. Ford used her idea. History forgot her name. Almost no one has ever heard it.