Posts Tagged → science
FaceResearch.org released these pictures from an experiment last year showing the combined faces of women around the world to approximate the “average” face of each country. The results are actually the “average attractive” product as the process is void of individual imperfections or defining features and beauty is often reliant on symmetry, which the processing creates. The study did not release how many images were used to make the composites.
This is a clip from a PBS production called “DNA: The Secret of Life.”
It details the latest research (as of 2005) concerning the process of DNA replication.
Google search the PBS title and you can find the website which has links to many informative sites and interesting clips. This is just a segment detailing replication.
Dysentery (formerly known as flux or the bloody flux) is a disorder of the digestive system that results in severe diarrhea containing mucus and/or blood in the feces. If left untreated, dysentery can be fatal.
Dysentery is initially managed by maintaining fluid intake using oral rehydration therapy. If this treatment cannot be adequately maintained due to vomiting or the profuseness of diarrhea, hospital admission may be required for intravenous fluid replacement. Ideally, no antimicrobial therapy should be administered until microbiological microscopy and culture studies have established the specific infection involved. When laboratory services are not available, it may be necessary to administer a combination of drugs, including an amoebicidal drug to kill the parasite and an antibiotic to treat any associated bacterial infection.
Furthermore, Lewin (2001) reports that “… consumption of fresh, warm camel feces has been recommended by Bedouins as a remedy for bacterial dysentery; its efficacy (probably attributable to the antibiotic subtilisin from Bacillus subtilis) was confirmed by German soldiers in Africa during World War II.” In addition, sheep feces contain the same antibiotic as camel feces. There are numerous reports from German soldiers of the effectiveness of sheep and camel feces being effective cures for dysentery.
They Might Be Giants… but they were wrong about the Sun. At least they’re big enough to admit it!
The original: Why Does the Sun Shine? (The Sun is a Mass of Incandescent Gas)
The revision: Why Does the Sun Really Shine? (The Sun is a Miasma of Incandescent Plasma). Directed by David Cowles & Liesje Kraai. From TMBGs new DVD/CD set Here Comes Science.
Richard Feynman amuses himself with an old puzzle – why do mirrors seem to switch left and right, but not top and bottom? From the BBC TV series ‘Fun To Imagine’ (1983)
What keeps a train on the tracks?
Gay sex – in beetles, at least – gives males a chance to indirectly fertilize females they may never encounter directly says NewScientist.
Homosexual copulations are common in insects, where they pose the same conundrum as in mammals: what evolutionary advantage, if any, might such apparently fruitless activity provide?
Over the years, biologists have proposed a range of explanations. Homosexual activity might, for example, help males practise for straight sex, or they might offer males a way to assert dominance over one another.
Although we don’t know why they spelled “practice” with an “s” instead of a “c”, we DO find their video of homosexual beetle porn to be…fun:
Sad news: “Black Hole Death Machine” Claims First Victim, as Teen Commits Suicide Due to Fears of the End of the Universe. Sort of a point here: “Her father… said that his daughter, Chayya, killed herself after watching doomsday predictions made on Indian news programs.” — Yeah, if I believed half of the crap the media tells me, I’d have been dangling from the garage roof years ago. Dick in hand, of course. When I go, I’m going “Hutchens style.” Live by the sword, die by the sword.
But what exactly IS the Large Hadron? besides some gigantic science fair project that I keep reading as “large hard on” every time I see it, its also an experiment to find out the secrets of the universe. woot!
PS: don’t kill yourself over it.
Well, the technical term for “poop eater” is Coprophagia and its most common in much smaller animals. Some insects consume and redigest the faeces of large animals which contain substantial amounts of semi-digested food. (Herbivore digestive systems are especially inefficient.) The most famous faeces-eating insect is the dung-beetle and the most ubiquitous is the fly.
Bigger animals too. Capybara, rabbits, hamsters and other related species do not have a complex ruminant digestive system. Instead they extract more nutrition from grass by giving their food a second pass through the gut. Soft caecal pellets of partially digested food are excreted and generally consumed immediately. They also produce normal droppings, which are not eaten.
Young elephants, pandas, koalas, and hippos eat the faeces of their mother to obtain the bacteria required to properly digest vegetation found on the savanna and in the jungle. When they are born, their intestines do not contain these bacteria (they are completely sterile). Without them, they would be unable to get any nutritional value from plants.
Gorillas eat their own faeces and the faeces of other gorillas.
Hamsters eat their own droppings, which are thought to be a source of vitamins B and K, produced by bacteria in the gut. Apes have been observed eating horse faeces for the salt content. Monkeys have been observed eating elephant faeces. Coprophagia also has been observed in the naked mole rat.
But DOGS. What about DOGS…
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