Emergency contraceptives like Plan B and ella are effective at preventing pregnancy after unprotected sex. Claims that the pills are tantamount to abortion, however, aren't supported by science, say researchers. The only way the drugs work is by stopping a woman's body from ovulating.
3-D printing can be used to make food, guns and maybe human ears. Researchers say that using collagen to print out ear cartilage solves a lot of the problems in making new ears for people with birth defects or injuries.
What if, before your child was born, you could make sure they had the genes to be taller or smarter? Would that tempt you, or would you find it unnerving? Two teams of experts debate genetic engineering in the latest Intelligence Squared U.S. debate.
Farmers in the Dakotas, Minnesota, Iowa and Nebraska converted 1.3 million acres of grassland into soybean and corn production between 2006 and 2011. Images derived from satellite data confirmed that changing landscape, which spells bad news wildlife and for soil integrity in some parts.
A surprising number of TV weather presenters are vocal deniers of climate change, while others fear audience backlash if they talk about such a polarizing topic. But one meteorologist in South Carolina is waging a climate education campaign, and says it's going over well.
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