Archive: 01/10/2008

A new way to boost red blood cell numbers

A common treatment for anemia — a deficiency in red blood cells (rbcs) caused by their insufficient production, excessive destruction, or excessive loss — is administration of recombinant erythropoietin (Epo), a hormone ...

Jan 10, 2008
5 / 5 (3) 0

New Hydrogen Clouds in the M81 Group of Galaxies

A composite radio-optical image shows five new clouds of hydrogen gas discovered using the National Science Foundation's Robert C. Byrd Green Bank Telescope (GBT). The spiral galaxy M81 and its satellite, ...

Jan 10, 2008
3.9 / 5 (9) 0

Chandra data reveal rapidly whirling black holes

A new study using results from NASA's Chandra X-ray Observatory provides one of the best pieces of evidence yet that many supermassive black holes are spinning extremely rapidly. The whirling of these giant ...

Jan 10, 2008
4.5 / 5 (21) 2

NASA Scientists Predict Black Hole Light Echo Show

It’s well known that black holes can slow time to a crawl and tidally stretch large objects into spaghetti-like strands. But according to new theoretical research from two NASA astrophysicists, the wrenching ...

Jan 10, 2008
4.4 / 5 (29) 0

MIT reports new twist in microRNA biology

MIT scientists have found a new way that DNA can carry out its work that is about as surprising as discovering that a mold used to cast a metal tool can also serve as a tool itself, with two complementary shapes each showing ...

Jan 10, 2008
4.6 / 5 (7) 0

Forces out of nothing

When a machine jams, it’s the fault of the engineer - or of physics. The latter is true at least for the first simple nanomachines which are slowed down by the Casimir effect. This force only works on the ...

Jan 10, 2008
4.7 / 5 (44) 3