One of News Flash 5’s kid correspondents, Nicholas, age 10, presents a compelling argument for continuing to teach fractions in school…(if you’re not familiar with the debate, see a see news story on the opposite side of the debate, a professor calling for the elimination of fraction instruction.)

How much do you love your dog? A California-based biotech startup is banking that for some pet owners the bond they share with their dog is worth a $100,000 bid on the chance to clone it.

Legislation currently making its way through the British parliament aims to dramatically widen the acceptable scope of assisted reproduction and embryo research in the UK. One of the bill’s provisions permits the creation of in vitro siblings with matching tissues that can be harvested in case the original child needs an organ or bone marrow transplant later in life.

In study after study, significant numbers of patients suffering from depression report feeling better after taking a sham pill. A few years ago, biobehavioral experts at UCLA actually measured physical changes in response to placebo treatment in some of their patients. Their findings may change the way we treat depression. Watch this full episode of Scientific American Frontiers to learn more.

They may look like big dumb lumps, but it turns out that walruses are actually musical prodigies. In fact, during mating rituals, walrus bulls seduce females with compositions that rival the songs of nightingales and humpback whales for their complexity.