Word: activationism
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Unless the mines can be found first. "There are a lot of promises in land-mine detection, but still, what people often come back to is the guy poking around with a stick," says Elleholm, speaking of technologies such as ground-penetrating radar, infrared devices and thermal neutron activation. Many...
The shortcomings of fMRIs may be more serious. Physical anomalies such as evidence of a stroke or tumor can interfere with the scan's accuracy. And the test is administered in a decidedly unnatural way--with the subject lying down inside a giant magnet. Since speaking aloud activates regions of...
What they discovered was that sperm hyper-activation requires the current produced by CatSper.
When sperm are swimming far away from eggs, their flagella beat steadily with sinusoidal motions. However, for fertilization to occur, the sperm need to be hyper-activated. Hyper-activated sperm swim with vigorous, whip-like motions that gives them the force they need to penetrate the protective membrane of the...
Evidently, the risk-taking began in 2004, with Hwang's first major scientific paper on therapeutic cloning. In order to clone an adult, you need to put one of its cells into a human egg cell from which the nucleus has been removed. After electrical fusion and chemical activation, the...