May 8th, 2014
The Ever Increasing Size of Godzilla: Implications for Sexual Selection and Urine Production:
In 1954 Godzilla was a mere 50 meters (164 ft). In the newest movie, Godzilla is estimated to be 150 meters (492 ft). For comparison the Empire State Building in New York City stands at 381 meters (1250 ft). Incarnations of Godzilla went from 13% of the height of the Empire State Building to nearly 40% of the height in just 60 years. It took cetaceans 55 million years to go from 2.5 meters (8.2 ft) to 30 meters (98 ft) in length. […]
Perhaps we're going to see some new problems solved by the SFX folks in the new Godzilla. A realistic tidal wave of urine, 60ft high, flowing between the skyscrapers.
For what it's worth: Please don't suck! Please don't suck! Please don't suck!
[Via More Words, Deeper Hole]
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March 21st, 2014
Power lines look like terrifying bursts of light to animals:
What does a power line look like? To humans, they don't look like much – just strands of metal draping from towering poles. But for many animals, they're terrifying.
They see power lines as lines of bursting, popping lights. That's because they can see ultraviolet light that's outside the spectrum of human vision. […]
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February 12th, 2014
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October 16th, 2013
Headline of the Week/Month/Year candidate, courtesy of Popular Science:
Space-Born Jellyfish Hate Life On Earth.
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August 11th, 2011
Comment of the week, in response to a post about the Headline of the Week: "Success! Functioning Anal Sphincter Grown in a Petri Dish".
10 Aug 2011 at 11:46 pm
Question: How, exactly, do they know it's "functioning"? Ewwwwwwww….
11 Aug 2011 at 1:00 am
To quote Lauren Bacall, "You know how to whistle, don't you?"
October 22nd, 2010
The Big Blog Theory is written by David Saltzberg, the science consultant on The Big Bang Theory. He posts about each episode, explaining the scientific background to some plot point or throwaway comment. See, for example, the entry on The Wheaton Recurrence:
Giant ants were the terror of the movie Them! (1954). Tonight Rajesh and Howard realize giant ants would be a cool new method of transportation. But Sheldon Cooper is right: unfortunately physics determines that giant ants cannot exist on our planet as we know it.
The evolutionary biologist, J.B.S. Haldane, won this argument already in his 1926 essay "On Being the Right Size". In his essay, Handane did more than observe elephants are larger than mice but explained, using physics, how changes in size demand changes in form.
A typical ant we know and love is about 5mm long and has a mass of about 5 milligrams. The giant ants you might like to have around would be 1000 times longer. Not just longer, but 1000 times wider. Not just wider, but 1000 times taller. To calculate the new mass of the giant ant we have to multiply these all together – a billion times the volume. At the same density, a giant ant would weigh about 5 tons. But its legs would only be wider in two dimensions. They are a million times stronger, but that is not enough – for a creature a billion times heavier. Before taking their first step they would break all their legs, leaving them immoblile and harmless. While mass increases as the cube of size, the function of its structure improves only as the square, hence the name "square-cube law".
Note to bug spray companies: Just make a chemical that grows ants 1000-fold in every dimension. That will stop ants in their tracks. That's sure to be a best-selling item.
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October 9th, 2010
David Fleming on the "Uh-oh" moment:
We can exhaustively explore every aspect of athletic life — victory, defeat, violence, racism, drugs, brain damage, paralysis, death — but nothing reveals as much about the physiology, psychology and sociology of sport as the excretory experience of athletes.
Of course, such is the sacredness of our relationship with our bowels that we're all programmed to pretend no one ever poops (or writes about it), despite the fact that every day on this planet, we humans produce 1.5 billion pounds of the stuff. The plain truth is, we all poop. Even athletes. Especially athletes. One of the sports world's last unspoken dirty little secrets is that this perfectly normal bodily function has a profound effect on all levels of competition. And the more you understand the way exercise impacts the intestinal tract, the more you'll wonder how any athlete ever manages to hold it in.
[Via Give Me Something to Read]
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April 29th, 2010
The life cycle of Symbion pandora is so outlandish it reads like something from the first draft of Ridley Scott's script for his Alien prequel:
Things start to get complicated when you consider their life cycle. Let's start with a feeding animal living on a lobster's mouthparts: this individual â€“ it's hard to assign a sex â€“ can then produce one of three kinds of offspring: a "Pandora" larva, a "Prometheus" larva or a female.
The Pandora larva develops into another feeding adult â€“ a straightforward case of asexual reproduction. By contrast, the female remains inside the adult and awaits a male â€“ but, attentive readers will be crying, what male?
The answer lies in the Prometheus larva […]
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March 17th, 2010
A creepy-looking blood-red waterfall in Antarctica.
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September 5th, 2009
It turns out that the H1N1 virus really is tiny but deadly:
So it takes about 25 kilobits – 3.2 kbytes – of data to code for [the H1N1 virus, which] has a non-trivial chance of killing a human. This is more efficient than a computer virus, such as MyDoom, which rings in at around 22 kbytes.
[Via Bruce Schneier]