Childbirth versus pelvic floor stability

Human childbirth is comparatively difficult because our babies' heads are large relative to our birth canals. This tight 'fetopelvic' fit increases the risk of obstructed labor, which in turn has potentially dire outcomes ...

One virus, one stuck ship spark global trade rethink

A virus visible through only the most powerful microscopes and a huge container ship stuck in the Suez canal visible from space highlight how fragile the "just-in-time" global trade system can be.

Geologists discover powerful 'river of rocks' below Caribbean

Geologists have long thought tectonic plates move because they are pulled by the weight of their sinking portions and that an underlying, hot, softer layer called asthenosphere serves as a passive lubricant. But a team of ...

Dutch get their skates on in Amsterdam before the thaw

Dozens of skaters took to the frozen surface of Amsterdam's historic Prinsengracht canal Saturday as the deep freeze gripping Europe briefly made it possible to skate on a small section of the canal for the first time since ...

The inner ear hides clues on human evolution

A PNAS study led by the Institut CatalĂ  de Paleontologia Miquel Crusafont (ICP) analyzed the kinship between two Miocene great apes (Hispanopithecus and Rudapithecus) based on the morphology of their inner ear semicircular ...

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