Some parents see spanking as a traditional punishment and think that parents who don't do it are pushovers. They are missing the balance of nurturing, yet structured parenting.
Lives Changed: A decade-long series of stories on those most directly affected by the 9/11 attacks. Cameran Sadeq lost the life he'd built in America when racial profiling landed him in months of detention. His civil rights were sacrificed for perceived national security.
Five forms of new technology that can change the world: From the computer that beats humans on "Jeopardy!" to cellphone apps for African pick-and-hoe farmers, to satellites that spy on human rights abusers.
A new energy revolution – similar to shifts from wood to coal to oil – is inevitable as climate change and oil scarcity drive a global search for sustainability in power production. But even the promise of renewable energy holds drawbacks.
A study of eastern moles found that thanks to a biochemical adaptation, the burrowing mammals are able to breathe subterranean air.
To keep warm, the woolly mammoth did more than just be woolly, new research has found.
It helps feed a hungry world, but it's worse than CO2.
Microscopic organisms thrive in polar-ice 'brine channels' whose conditions mirror some of those found in space.