Top 10 Poisonous Plants..
Spring is in the the air, and blossoms and bulbs are beginning to bloom. Though deceptively attractive, some common flowers and plants can give you headaches, cause convulsions or simply kill you, according to the “Handbook of Poisonous and Injurious Plants” (Springer, 2007). Children under 6 are especially vulnerable; they account for [...]
White dwarfs can chew apart errant asteroids, leaving only dusty remains. New infrared observations suggest the dust left behind in six such stars has a composition similar to rocky objects in the inner solar system, suggesting the stars may have hosted rocky planets. (Illustration: NASA/JPL-Caltech)
Dust made up of similar stuff as the Earth has been [...]
Force of repulsion could create friction-free parts for nanomachines..
CHICAGO - U.S. scientists have found a way to levitate the very smallest objects using the strange forces of quantum mechanics, and said on Wednesday they might use it to help make tiny nanotechnology machines.
They said they had detected and measured a force that comes into play [...]
Researchers from the University of Granada and the University of Barcelona have shown that treatment with maslinic acid, a triterpenoid compound isolated from olive-skin pomace, results in a significant inhibition of cell proliferation and causes apoptotic death in colon-cancer cells. Maslinic acid is a novel natural compound and it is able to induce apoptosis or [...]
