When a dog became stranded in a canal in Romania, some passersby jumped in to pull the soaking wet pup from the icy water. But it's what happens after the dog was freed that makes the recorded rescue so remarkable. In a video, posted on YouTube this week, several men pull the dog to safety by the scruff of its neck -- something canine mothers often do to their pups to carry them. After the dog is freed, it appears to act as most humans would and shows its gratitude to the rescuers by showering...

Using microwaves to kill malaria parasites and developing a way to give fetuses immunity to HIV are among the dozen ideas the Bill & Melinda Gates Foundation thinks are worth more research dollars, after giving more than 500 scientists seed money to take an initial look at some far-out concepts. A dozen scientists or teams of researchers will each get an additional $1 million over five years to take their ideas to the next level and see if they have the potential to save lives, the foundation...