On a visit to Bangladesh in 2011–where an estimated 20 million people are exposed to arsenic in local drinking water–scientist Liangjie Dong worked with a team to teach residents how to use a filtration system he designed that could make the water safe. The technology worked, but it wasn’t self-explanatory: it required training in how to use a special cartridge, and special instructions for how to dispose of it after use.
These cheap paper water filters remove lead, arsenic, and bacteria
More of Today's Solutions
This Canadian didn’t want to fly from Germany to Canada—so he took a cargo ship
When Will Vibert’s European work visa was closing in on its expiration date, the Canadian was reluctant to travel back to Vancouver via plane. ...
Read MoreSimple movement is connected to better brain health in older adults
It goes without saying that practicing regular exercise offers plentiful benefits for our overall health, but as we age, engaging in the same exercise ...
Read MorePassive cooling techniques reduce AC strain by up to 80 percent
In the summer months, many of us are of two minds: we’re dying to keep it cool, but we’re also dying not to spend ...
Read MoreMaking windows bird-friendly: a crash course on protecting our feathered friends
In 1990, Michael Mesure was on the way to a wildlife rehabilitation center. Among his passengers was a common yellowthroat, a colorful warbler that ...
Read More
