A curious correlation between the mass of a galaxy's central black hole and the velocity of stars in a vast, roughly spherical structure known as its bulge has puzzled astronomers for years.
DEERFIELD, IL (February 2012) – Penguins are hot today, despite being usually found in the cold. They've become icons of wildlife as they walked with their Happy Feet into pop-culture.
CORVALLIS, Ore. – The frigid McMurdo Dry Valleys in Antarctica are a cold, polar desert, yet the sandy soils there are frequently dotted with moist patches in the spring despite a lack of snowmelt and no possibility of rain.
Iraqi sources from 9th and 10th centuries give new meteorological insights