Can there be anything more beautiful?
The most exquisitely coloured creatures on Earth, which are they? Ask someone and you will hear parakeets mentioned, birds-of-paradise, certain butterflies perhaps, or even coral reef fishes. But slugs? Just to mention that word causes some people to cringe. Slugs and beautiful, that doesn’t seem to match at all and most people associate these animals with the pest that is nibbling at their lettuces or cabbages in their vegetable gardens at night or after the rain. Continue reading
The bumblebee and skin-deep speeds
One of the most frequently quoted examples of a paradox is the one of the Athenian, who claims that all Athenians lie. So, what is a paradox in biology? Something that works, which in theory should not work at all: a flying bumble bee with its bulky body and small wings had been termed a paradox until it was solved by Richard Bomphrey of the Royal Veterinary College of London. Although the bee’s wings are weak and small, they can, however, create airflows that separate from the wings and re-attach to form strong lift. How water striders move around on the water surface like ice-skaters on a frozen lake was another paradox, which was solved in 2004 by M.W. Denny of the Hopkins Marine Station in California. Continue reading
But do not cough
If you told someone mice could breathe under water, chances are you’d get a strange and pitiful look back. Mice like us breathe air to stay alive and any obstruction of the air-flow to their lungs would represent a life-threatening emergency that would be met with vigorous coughing to free the air passage from the obstruction. Continue reading