Short-beaked Echidnas Use a Four-headed Penis as a Two-at-a-time Sperm Delivery System
The short-beaked echidna penis has four rosette-like heads, but only two appear to function at once during mating, acting less…
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Fish Usually Can’t Breathe Out of Water Because Their Gills Collapse in Air
Fish usually can’t breathe out of water because their gills are built to extract dissolved oxygen from water, and in…
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Batesian Mimicry Hawk Moth Caterpillar Works Best When Large
Hawk moth caterpillars use Batesian mimicry by briefly turning themselves into a fake snake display: they inflate the front of…
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White Orcas Are Real, but Not All Are Albino
White orcas are real, but most white killer whales are not confirmed albinos. The key distinction is that albinism means…
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Times Beach Was Abandoned After Dioxin Contamination Made the Town Unsafe
Times Beach, Missouri, is a former town about 17 miles southwest of St. Louis that was abandoned after its roads…
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What Is Recombinant Human Insulin
Recombinant human insulin is insulin made by inserting the human insulin gene into microorganisms such as E. coli or yeast,…
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HGNC Renamed 27 Human Genes to Stop Excel Date Conversions
Twenty-seven human genes were renamed in 2019 because Excel kept auto-converting symbols such as MARCH1 and SEPT2 into dates, corrupting…
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Humans Have Pumped About 1.5 Trillion Barrels of Oil
Humanity has extracted roughly 1.1 to 1.5 trillion barrels of oil, depending on whether the source counts crude oil alone…
