If you make a mess, just cover it up. That’s the theory behind the Department of Water and Power’s latest project in Los Angeles, which aims to prevent the formation of a carcinogen in two drinking-water sources, the Ivanhoe [pictured] and Elysian reservoirs.

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Plastic. It’s the spring in your tennis shoes, the sheath on your burrito, the skin of your air mattress . . . And, unfortunately, it could also be the hormone disruptor in your endocrine system. This is just one potential danger highlighted in the most recent issue of the journal Environmental Research, which includes a special section showcasing six new studies of the effects of plastics and plastic ingredients on the body and the earth.

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What makes an eco-friendly meal? It's a question that has caused many heated arguments. Some say vegetarian, or even vegan, meals are the best way to lead a green lifestyle, since the livestock industry causes a plethora of environmental problems, from massive-scale deforestation to air and water pollution. Others argue that the large-scale production of corn and soy (a popular substitute for meat products) are just as bad for the environment.

In Australia, the debate has taken an interesting turn.

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One can hardly fathom the horror of life in the Congo Free State during the turn of the last century when native Africans suffered genocide at the hand of Belgium’s King Leopold II. In those conditions, no one would have noticed people dying of a strange disease that would not be named for another hundred years. No one would have noticed people dying of AIDS.

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Last May, scientists met in Geneva, Switzerland, to update the World Health Organization’s plans for pandemic preparedness. It looks like a crisis could arrive sooner rather than later. Thanks to climate change and drug resistance, a handful of deadly organisms are spreading across the globe; some are poised to make a comeback in the U.S. after decades of absence.

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Finally, mental health is getting the respect it deserves.

Yesterday, Congress approved legislation that will compel employers and health insurers to provide the same benefits for mental illnesses as they do for physical ones. It hasn’t been an easy bill to pass. For 15 years, the mental health bill has been stuck on the House and Senate floors, where it’s been rewritten several times. Now, almost everyone is behind the legislation, including both parties, the President, businesses, insurance companies and the medical community. And the bill’s advocates are thanking science for transforming the public’s view of mental illness, which led to its passage. Representative Patrick Kennedy praised science for destroying “the myth that this stuff is a choice,” according to a Washington Post article.

The myth may be busted, but that doesn’t mean the legislation is a shoo-in.

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At the so-called Restaurant of the Future in Wageningen, Netherlands, lunch time diners have all sorts of food options. “Animal friendly” meats, fruit juices, cheese slices, bananas, waffles, pretty much anything to suit your appetite. And, you can eat a full meal for only $6.30; it’s a great deal. A deal, that is, as long as you don’t mind a team of scientists studying you as you hit the buffet.

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In late 2005, cardiac researcher Doris Taylor revived the dead. She rinsed rat hearts with detergent until the cells washed away and all that remained was a skeleton of tissue translucent as wax paper—a ghost heart, as Taylor calls it. She injected the scaffold with fresh heart cells from newborn rats. Then she waited.

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