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POPSThe DNA Mystery: Scientists Stumped By "Telepathic" Abilities Even so, research published in ACS’ Journal of Physical Chemistry B, shows very clearly that homology recognition between sequences of several hundred nucleotides occurs without physical contact or presence of proteins. Double helixes of DNA can recognize matching molecules from a distance and then gather together, all seemingly without help from any other molecules or chemical signals. This recognition effect may help increase the accuracy and efficiency of the homologous recombination of genes, which is a process responsible for DNA repair, evolution, and genetic diversity. The new findings may also shed light on ways to avoid recombination errors, which are factors in cancer, aging, and other health issues.
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POPSSept. 9, 1982: The First Private Rocket Launch More than a generation before the X Prize spurred billionaires to put up 10 times a $10 million purse to pursue scientific and technological achievements that have eluded even governments with limitless resources, this was a shot heard ’round the world. It was fired by people who weren’t out to invent anything — they just wanted to prove that you didn’t need a massive space program to power something into space.
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POPSLondon’s Surveillance Fails - Only 1 Crime Solved per 1000 Cameras Whether you like or not, digital observation is only going to get more prevalent in the future. We have faster, cheaper, and more plentiful recording devices everywhere and attached to everything. You’re already recorded many times a day by private cameras, and that’s only going to get more invasive when implants, facial recognition software, and 3D scanning get going. What’s happening in London, both the wide spread public use of CCTV and the complications from it, is a precursor to what the rest of the world can expect.
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POPSFile Sharers Are More Likely to Purchase DVDs and Go to Movie Theaters The result of the study, while going against everything Hollywood is claiming, isn't that surprising, considering the number of previous similar reports. It found that the p2p users went to 34 percent more movies than regular ones, bought 34 percent more DVDs and also rented 24 percent more movies. Could it be that the ones that use file sharing do so precisely because they are more interested in media and entertainment content and, as such, also end up buying more than the average users?
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POPS"The DNA Code" - Life Hardwired in the Universe The study indicates that you don't need a miracle to arrive at the chemical cocktail for early life, just a decently large asteroid with the right components. That's all. The entire universe could be stuffed with life, from the earliest prebiotic protein-a-likes to fully DNAed descendants. The path from one to the other is long, but we've had thirteen and a half billion years so far and it's happened at least once.
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POPSA Robot that Navigates Like a Person The machine is controlled by algorithms designed to mimic different parts of the human visual system. Rather than capturing and mapping its surroundings over and over in order to plan its route--the way most robots do--the European machine uses a simulated neural network to update its position relative to the environment, continually adjusting to each new input. This mimics human visual processing and movement planning.
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POPSFirst extra-galactic planet spotted in Andromeda The advantage of microlensing is that it works best for more distant objects so it's ideal for planet hunting in other galaxies. In theory, it should be possible to see Earth-sized objects in this way. The disadvantage is that microlensing is a relatively rapid, one-off event that lasts a few days at most. That makes observations difficult to verify. And today a new analysis from Ingrosso and co shows that this companion has a mass about 6 times that of Jupiter. That's heading into brown dwarf territory but it's also well within planetary territory too.
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