A protein helps immune cells invade the brains of MS patients
In multiple sclerosis, the barriers that protect the brain become leaky, allowing some disease-causing immune cells to invade. Now, scientists have identified a key molecule…
In multiple sclerosis, the barriers that protect the brain become leaky, allowing some disease-causing immune cells to invade. Now, scientists have identified a key molecule…
A palm-sized sandstone object found in 1991 at an early Islamic trading post in what is now southern Jordan appears to be the oldest known…
Hydrostatic pressure is the pressure that a body submerged in a fluid is subjected to, due to the column of liquid that it has above…
It is a direct application of the principle of conservation of energy, in other words, it is said that if the fluid does not exchange…
Half a brain can do a full-time job, a detailed study of six adults who had half their brains removed as children to treat severe…
Microscopic switches that route light signals between computer chips like tiny traffic conductors could help make electronics faster and more efficient. Light waves can carry…
Power lines could be affecting bees by emitting electromagnetic fields that can alter the insects’ behavior and ability to learn. In the laboratory, honeybees (Apis…
Fiction is full of robots with feelings, like that emotional kid David, played by Haley Joel Osment, in the movie O WALL•E, who obviously had…
By looking at how atoms behave when suspended in the air, rather than in free fall, physicists have devised a new way to measure Earth’s…
In technical terms, a force is a quantity capable of modifying the amount of movement or the given shape of a body or a particle,…
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