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... that the modern study of human anatomy is considered to have been founded by
Andreas Vesalius(anatomical drawing pictured) in the sixteenth century? (2013-07-27)
... that despite over a hundred years of scientific study, fierce debate still rages about how
arthropods' heads are
constructed? (2007-07-16)
... that you can count lines in dinosaur teeth to determine their age? (2017-12-20)
... that colour vision with resolution and clarity are the most prominent features of eagles' eyes(pictured), and hence the epithet given to sharp-sighted people is "eagle-eyed”? (2012-11-12)
... that electric organs are composed of stacks of specialised cells that can generate electricity? (2023-01-19)
... that the human mouth forms when the
opening that becomes the anus tunnels through the
embryo and comes out the other side? (2008-12-11)
... that fins are used on artefacts and by
aquatic animals such as
killer whales(pictured) to generate thrust, to control motion, or to regulate temperature? (2012-11-29)
... that some species of
fish undergo a genetically programmed
sex change during their development? (2007-06-08)
... that the
canine teeth of male
baboons—which can be up to four times as long as those of females—are an example of a sexual dimorphism? (2008-06-01)
... that a siphon(example pictured) is used by some marine
snails for tasting, by some
clams for reproducing, and by
octopuses for jet propulsion? (2008-11-21)
... that one method of preparing a tiger penis for consumption is to place it dried, with testicles still attached, into a bottle of French cognac, whiskey or Chinese wine and let it soak for many weeks? (2010-07-05)
... that
lemurs,
lorises, and
galagos have a special dental structure called a toothcomb(example pictured), which they use to comb their fur during
grooming? (2012-03-19)
... that in
rice rats living in the water, the tufts of hair at the base of the claws are reduced? (2010-04-08)
... that the deep water
barreleye fish (pictured) is so named because of its unusual visual system which uses barrel-shaped, telescopic eyes that are generally directed upwards? (2011-10-04)
... that some water birds use their webbed feet(illustration shown) as an aid in elaborate courtship displays? (2019-02-21)