Stop giving your seat to pregnant woman

— filed under: Health, /dev/urandom, Research

They're faking it. They can't fall cause their butt is balancing the ballooning womb

From Wired...

Harvard anthropology researcher Katherine Whitcome found two physical differences in male and female backs that until now had gone unnoticed: One lower lumbar vertebra is wedged-shaped in women and more square in men; and a key hip joint is 14 percent larger in women than men when body size is taken into account.

The researchers did engineering tests that show how those slight changes allow women to carry the additional and growing load without toppling over - and typically without disabling back pain.

"When you think about it, women make it look so very damn easy," Whitcome said. "They are experiencing a pretty impressive challenge. Evolution has tinkered ... to the point where they can deal with the challenge.