Biomedicine Stroke drug reveals a dark side Studies in mice raise questions about the effectiveness of a clot-dissolving substance used to treat stroke. Del Zoppo, Gregory J. 1998. Wang, Y.F. . . . Cancer treatment and memory loss High doses of toxic chemotherapeutic drugs in tandem with tamoxifen may increase the risk of cognitive deficits in women being treated for breast cancer. A college sophomore participating in the Great Internet Mersenne Prime Search has discovered the largest known prime number.
Lucky choice turns up world-record prime .
Accurate quantum computation is possible provided that the error per operation is below a threshold value. Knill, E., R. Laflamme, and W.H. Zurek. Resilient quantum computation. Catching errors in scrambled quantum bits. Environment Forests as pollution filters Forests are more likely to pull pollutant gases rather than particles out of the air.