Why does bottled water have an expiration date?
It might seem pointless, but it’s not the water that spoils.
Tag: water
Chile is on the brink of rationing water in its capital Santiago after more than one decade of drought
The city's governor believes this is one of the very real effects of climate change.
Highschoolers develop a cheap, eco-friendly filter to remove lead from tap water
Such a device may help millions avoid exposure to harmful, heavy metals.
Mandatory water conservation measures loom over South California as the state enters its third year of drought
Officials are calling for people to reduce 15 to 20% of their water use.
Report: Half a billion people in Africa don’t have safe access to water
We take it for granted, but for hundreds of millions of people, water is a scarce treasure.
Compound droughts risk destabilizing the global food supply if we keep burning fossil fuels
Empty tables are a chilling prospect.
We could blast microplastics out of water using loudspeakers, although the tech is still young
There are some concerns regarding the use of this tech near marine life, but the concept works.
This hydrogel tablet can purify a liter of water in just one hour
It could save and improve lives.
Scientists turn water into shiny metal
No alchemy involved -- just clever science.
Researchers develop cheap, simple, on-demand water disinfection process
All it needs is electricity, air, and a gold-palladium catalyst.
The Greenland Ice Sheet is leaking mercury — likely natural, but still dangerous
It raises the possibility that other melting glaciers are behaving the same way.
Iran’s groundwater resources are rapidly depleting, and everyone should pay attention
It's their problem today, but it's going to be our problem in the future.
What’s the difference between hard and soft water
Hard water can ruin your washing machine, but also your hair and skin. On the flipside, it's great for drinking!
Mars’ water didn’t escape; it’s trapped in the red crust
Not being tectonically active has its drawbacks.
Why is the ocean blue?
It's all due to the physics of the scattering of light.
In Poznan, Poland, eight clams get to decide if people in the city get water or not
They might be small, but these mussels shoulder tremendous responsibility.
It’s Erin Brockovich all over again: rusty iron pipes are exposing us to cancer-causing chemical
Exposure to chromium can lead to lung cancer and liver damage
Water could be a natural byproduct of rocky planets forming — so it could be almost everywhere
This would be very helpful.
The story of the three tons of water in your jeans
They might be comfortable, durable, and in no need of washing -- but there's another side to jeans production.