A Walk to a Well
New technologies may be rejected for unexpected reasons.
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-- May 28, 2020
Behind the Numbers
Should hand pumps be installed in remote African villages? Ask a statistician.
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-- May 27, 2020
Grey Water
If water isn't drinkable, that doesn't mean it's not usable.
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-- May 26, 2020
Cloud Water
A large cumulous cloud weighs about the same as a 747.
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-- May 25, 2020
Chemicals R Us
Approximately 4000 new chemicals are registered each day.
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-- May 22, 2020