Science News Roundup: 4/3/12

Two weeks ago, we discussed several new species and a possible new human ancestor that have been recently discovered, and this week we’ve found trees thought to be extinct and what may be a new step (literally) in human evolution. Researchers may have also discovered the reason behind declining bee populations. And in space news, we may have a new method of finding our way through the stars, and a piece of NASA history has been rediscovered after more than 40 years. Read More Science News Roundup: 4/3/12