Tracking wastewater's path to wells, groundwater

We often "flush it and forget it" when it comes to waste from toilets and sinks. However, it's important to be able to track this wastewater to ensure it doesn't end up in unwanted places. A group of Canadian scientists has ...

How to monitor urine in pools—by testing sweetness

Even though Olympic swimmers have admitted doing it, peeing in the pool is not a condoned practice. Urine contributes to the formation of compounds in pool water that can be harmful to people's health. Now scientists are ...

Ladykiller: Artificial sweetener proves deadly for female flies

Continuing their research into potential ingredients for human-safe pesticides, Drexel University researchers recently found an artificial sweetener that, while harmless for male fruit flies, proved particularly lethal for ...

Everything you eat is made of chemicals

We are routinely warned by earnest websites, advertisments and well-meaning popular articles about nasty "chemicals" lurking in our homes and kitchens. Many tout the benefits of switching to a "chemical-free lifestyle".

Video: Is aspartame safe?

It's been around for decades and it's probably in your diet soda - for a little while longer anyway. PepsiCo announced recently it was removing the artificial sweetener aspartame from its Diet Pepsi products in the U.S. starting ...

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