This documented occupational injury isn't caused by launch or landing—it can happen when astronauts spend hours in pressurised gloves during underwater training.
In orbit, astronauts face a calculus unknown to earthbound life: how many times can you wear the same underwear before it becomes a liability roughly 250 miles above the planet.
Valeri Polyakov spent 437 consecutive days aboard Mir, proving that one highly selected human could remain functional for a Mars-length span while leaving major deep-space risks untested.
Mars500 wrist monitors captured less active waking and more sleep and rest across confinement, but the authors' torpor analogy did not mean hibernation and the six men adapted differently.
Two rare male Neanderthal-lineage pelvises fall with modern women on selected mechanical measurements, leading researchers to propose that the modern male pelvis is the later, walking-specialised form.
NASA's best-documented recent selection cycle combined six hours of psychological tests with a long behavioural interview and high-load team simulations, while keeping the exercises themselves confidential.
A Mars crew would leave Earth's magnetic and atmospheric protection for years, turning invisible particle radiation into a mission-wide design problem.
Wearable sensors at Concordia Station found that more close-range contact tracked more conflict and mistrust, but the one-crew study measured proximity rather than interaction quality.
The brain never forgets gravity—it's the body's predictions that need recalibrating after months in orbit.
Clark and Graybiel wrote the pilots' word down, counted how many men knew it, and found that the thing most of them would not discuss was also the thing a few of them said made them feel like kings.
An Italian randomised trial set an open-label placebo against a deceptive one and against a group given no intervention. Two of ten outcomes separated the groups. The physical-performance figures quoted in the university’s announcement are not in the paper, which reports no percentages at all.
What looks like laziness is actually a predator's metabolic masterpiece: cats need most of their day to fuel the milliseconds when they strike.
A bird's survival hinges on the most brutal gamble in nature: starving for months while cradling an egg through Antarctic darkness.
The way a language sounds—literally its humidity and climate conditions—may shape whether speakers rely on pitch to transform meaning.
Mary Ainsworth's Strange Situation experiment revealed three infant attachment patterns in 1969 — but when later researchers added heart-rate monitors, the babies who looked calmest during separation turned out to be as physiologically stressed as the criers.
For millennia, Arctic peoples timed their entire lives to caribou migration—until the animals stopped following the ancient schedule.
