There are two types of people. One group can bite aluminium or tin foil, experiencing nothing worse than a faint metallic taste. The other group gets a painful electric zing from chewing on foil. Why does chewing on foil hurt some people and not everyone?
The opah fish (Lampris guttatus) is about the size of a car tire and almost as round. That shape helps explain why the opah is sometimes called a moonfish. This animal swims by using its large pectoral muscles to move its skinny, red pectoral fins. Those muscles also produce a lot of heat.
According to John, professor of chemistry in City College's Division of Science, "the best known chemical herders are chemically stable, non-biodegradable, and hence remain in the marine ecosystem for years."
"Our goal was to develop an eco-friendly herding molecule as an alternative to the current silicone-based polymers," said John.
Brain freeze is practically a rite of summer. It happens when you eat ice cream or gulp something ice cold too quickly. The scientific term is sphenopalatine ganglioneuralgia, but that's a mouthful. Brain freeze is your body's way of putting on the brakes, telling you to slow down and take it easy
Washington: June 30 this year will officially be a bit longer than usual because an extra second, or 'leap' second, will be added to the day, according to NASA. "Earth's rotation is gradually slowing down a bit, so leap seconds are a way to account for that," said Daniel MacMillan of NASA's Goddard Space Flight Centre in Greenbelt.