Magnetic Yeast Only a few organisms can actively sense and utilize magnetic fields. Magnetotactic bacteria contain strings of iron-dense membrane-bound organelles filled with magnetic crystals called magnetosomes, which act like microscopic compasses. Bacteria that contain magnetosomes can detect the earth’s magnetic field, telling them which direction is up and helping them find oxygen closer to the surface of the water.
Former President Clinton Urges Religious Tolerance
PHOENIX -- Just days after Gov. Jan Brewer signed a law designed to hinder police participation in gun buyback events, the city of Phoenix on Saturday held the first of three buybacks that organizers are calling the largest effort of its kind in the state's history. The law Brewer signed April 29 takes effect this summer and requires cities and counties to sell surrendered weapons instead of destroying them.
Three bullets entered the 16-year-old Brooklyn boy’s body from the back on Saturday night, the authorities said on Wednesday.