Not only has the average global temperature increased in the past 50 years, but the hottest day of the year has shifted nearly two days earlier, according to a new study by scientists from the University of California, Berkeley, and Harvard University.
The grand opening ceremony of the International Year of Astronomy 2009 (IYA 2009) was held at the United Nations Educational, Scientific and Cultural Organization (UNESCO) headquarters in Paris, France, on Jan. 15 and 16, 2009. The National Science Foundation (NSF) has devoted millions of dollars to underwrite IYA 2009 activities and initiatives.
A study published this week by Science shows how the growth of a massive star can proceed despite outward-flowing radiation pressure that exceeds the gravitational force pulling material inward.
MIT physicists have discovered that several high-temperature superconductors display patchwork quilt-like variations at the atomic scale, a surprising finding that could help scientists understand a new class of unconventional materials.
'I have deep faith that the principle of the universe will be beautiful and simple.'