A comet that’s never crossed Earth’s orbit might lead to the most spectacular sky show in years! “I would rather be ashes than dust! I would rather be a superb meteor, […]

Dickson Despommier on how vertical farming can help us meet the challenges of feeding a growing global population.

The variability of weather and the natural limitations on land use present problems for food growers, not to mention pests that can decimate crop yields.

Jeremy Rifkin on the coming revolution of the energy internet.

There is now a preventative treatment against HIV for those exposed to higher-than-normal levels of risk, such as individuals with HIV-positive partners or those who inject illicit drugs and share equipment.

Neurobiologist James Fallon on the psychopathic brain.

The common theme that binds Stevens' proposed amendments is his belief in the right of self-governance.

How should small-business owners deal with the Affordable Care Act? Well, I believe in doing the math – and I think that’s a wonderful initial step. Run the numbers. See […]

Crowdfunding relies on building online communities around projects, but what can it do for physical, local communities? Neighborhoods are the original social networks, according to Henry Grabar in a recent […]

Coal is essential for creating steel, cement, and agricultural fertilizer, i.e. the pillars of modern society. 

Approximately 70 percent of Americans use prescription drugs which raises serious concern for the potential levels of pill addiction in this country. Leading health organizations, including the Center for Disease […]

Clean energy. GREEN energy. Energy that can solve global warming. Environmentalists are all for it. And as a direct result, no matter what the benefits, conservatives are absolutely against it. […]

"You gain strength, courage and confidence by every experience in which you really stop to look fear in the face. You are able to say to yourself, 'I have lived through this horror. I can take the next thing that comes along.' You must do the thing you think you cannot do." - Eleanor Roosevelt

If the industrialized and industrializing nations of the world do not commit to reducing fossil fuel emissions in the coming years, Earth will cross a climate change threshold by 2036.

Do you remember where you were when you first heard of this thing called the Internet? Do you remember how this technology—email, search engines—gradually took over your life, or perhaps […]

Race may be genetic in that scientists, who have sequenced the genomes of thousands of people from around the world, can distinguish between races based on an individual's genetic code.

Gerd Gigerenzer on seeing and understanding the risks around you.

Michio Kaku on what makes a supergenius.

Fareed Zakaria explains what it takes to excel in today's knowledge economy and why accreditation matters more than ever.

Pioneer of facial recognition technology, Dr. Joseph J. Atick is now working against some of the technology's strongest advocates to develop policies that will preserve individuals' rights to remain anonymous.