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Articles sur Water

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Cooling dairy cows with fans and misters at Pacheco Dairy in Kerman, Calif., during a heat wave in 2006. AP Photo/Gary Kazanjian

Heat is a serious threat to dairy cows – we’re finding innovative ways to keep them cool

Dairy cows are sensitive to heat, so farmers cool them down with sprinklers and fans. Researchers are designing better, more efficient systems to keep cows comfortable through hot California summers.
Environmental water is not a luxury – it’s vital for river ecosystems and everyone who depends on them. AAP Image/Dean Lewins

Giving environmental water to drought-stricken farmers sounds straightforward, but it’s a bad idea

Deputy Prime Minister Michael McCormack has suggested changing the rules to allow 'environmental' water to be diverted to drought-hit farms. But the idea would be far less straightforward in practice.
Research indicates that up to a third of all food is wasted – but also shows that anti-waste campaigns frequently backfire. Rick/Flickr

When anti-waste campaigns backfire

Research shows that campaigns that try to make consumers feel guilty about the amount they waste often make things worse, not better. A new study poins the way to more effective anti-waste campaigns.
Thomas Johnson drinks Gatorade at a ‘Beat the Heat’ event the company sponsored in Fort Worth, Texas, June 10, 2013. Brandon Wade/Invision for Gatorade/AP Photo

Overhydrating presents health hazards for young football players

Yes, it's hot outside. And football practice is starting for thousands of kids. But coaches and parents should be careful about tellings kids to drink more water. That has been deadly.
Mars’ south polar cap, as seen from Mars Global Surveyor. Buried beneath, we now know, is a lake of liquid water. NASA/JPL/MSSS

Discovered: a huge liquid water lake beneath the southern pole of Mars

Researchers have found evidence of a large lake of salty water, buried 1.5 kilometres beneath the southern polar ice cap on Mars. So what does that mean for life on the red planet?

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