Science channel

Superfast evolution in sea stars How quickly can new species arise? In as little as 6,000 years, according to a study of Australian sea stars.

Scientists read monkeys' inner thoughts Anyone who has looked at the jagged recording of the electrical activity of a single neuron in the brain must have wondered how any useful information could be extracted from such a frazzled signal.

Earliest spiral galaxy surprises astronomers In the beginning, galaxies were hot and clumpy - too hot to settle down and form grand spirals like the Milky Way and other galaxies seen in the nearby universe today. But astronomers have now been surprised by the discovery of a solitary grand design spiral galaxy in the early universe which could hold clues to how spirals start to take shape. The find was announced in a report in the July 19 edition of the journal Nature.

Study shows how aging impairs immune response Researchers at Albert Einstein College of Medicine of Yeshiva University have uncovered one of the mechanisms by which aging may compromise the ability of the immune system to fight infections and respond to vaccines. The study, conducted in aging mice, shows that administering antioxidants may help reverse this loss of immune function. The findings were published online this month in the journal Cell Reports.