human blood

(Newser) - Mosquitoes appear to be acquiring a stronger taste for human blood, out of necessity. A new study out of Brazil suggests that as forests are cut down and wildlife vanishes, local mosquitoes are switching from feeding on animals to feeding on people, reports Popular Science . It's more than an...

(Newser) - Scientists have manufactured human blood in a laboratory using embryonic stem cells, reports the Los Angeles Times. The project represents a major technical breakthrough in the controversial area of stem cell research. Researchers made significant quantities of several blood types, but still have a number of hurdles ahead before producing...