“Space is freezing cold. Sure, the sun is there, but the baseline temperature out there is 2.7 Kelvin, which is minus 270.45 degrees Celsius and minus 453.8 degrees Farenheit.”
"Hippos can’t swim or breathe underwater (or float) but they can run/propel themselves across the water floor."
"There is a rogue black hole in our galaxy. It’s 5,000 light years away from Earth and has a mass seven times greater than our sun."
"It’s widely believed that your hearing is the last sense you lose when you die."
"Scientists predict that a body submerged in deep water will be skeletonized in less than four days."
"NPR reports, “Criminologists estimate that at least 200,000 murders have gone unsolved since the 1960s.”"
"Thomas Hargrove, a homicide archivist, estimates that there are over 2,000 serial killers at large right now. According to his records, there are over 27,000 murders that aren’t even in FBI files."
"There are about 40 supervolcanoes around the world capable of claiming up to a billion lives…and we’re about 24,000 years overdue for an eruption."
"Sudden arrhythmic death syndrome is a condition where someone seemingly healthy dies suddenly with no apparent cause of death."
"Vampire moths feed on the blood of mammals, including humans. They can suck blood for up to 50 minutes."
"The average bed has between 100,000 and 10 million dust mites."
"On average, you secrete 26 gallons of sweat into your bed per year."
"Cockroaches have been recorded eating human flesh, both living and dead, as well as fingernails, eyelashes, feet, and hands."
"The air you breathe in a train station is 15% human skin."
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could be because of the density difference of air and skin. take one cubic meter of train station air and then measure the mass of air and skin.
yeah maybe 15% by weight...^^ but everything else would be... hard to breathe xD