Daydreaming about where you'll be in the future isn't a waste of time. In fact, it might be the most beneficial thing you do all day, as it improves your mood and your outlook on challenges.

“Happiness can be found in even the darkest of times if one only remembers to turn on the light.” -Albus Dumbledore

Researchers from the University of Western Australia have discovered that sending weak pulses of electricity through the brain can help realign neural connections. This means that there may soon be a new method of countering nervous system disorders like depression, epilepsy, and tinnitus.

Blue whales were nearly hunted to extinction by the time laws were put into effect that would make it illegal to kill another member of the species. Since then, the population of blue whales off the coast of California has made a remarkable recovery, and although this is so far the only group of blue whales to do so, it gives hope that the rest may follow suit.