LifeStraw® water filters convert contaminated water into clean, safe drinking water. The easy-to-use filters are a vital tool for some of the 780 million people who don’t have ready access to safe drinking water. This leaves them at risk for diarrheal disease, which kills more than 1.5 million people every year. Continue reading LifeStraw water filters convert contaminated water into clean, safe drinking water.
By Rachel Feltman
Scientists have released a new version of the tree of life, showing everything we know about how the living things of Earth are related to one another. With 2.3 million species and counting, it’s the most complete model of its kind — but there’s a lot more work to do.
Continue reading This new, ‘complete’ tree of life shows how 2.3 million species are related