Portside

Gut dwellers signal immune cells to stay calm and dial down inflammation.

Huge supercolliders aren’t the only way to search for new physical phenomena. A new generation of experiments that can fit on a tabletop are probing the nature of dark matter and dark energy and searching for evidence of extra dimensions.

Quantum entanglement is thought to be one of the trickiest concepts in science, but the core issues are simple. And once understood, entanglement opens up a richer understanding of concepts such as the “many worlds” of quantum theory.

John Oliver: Puerto Rico. Bernie Challenges Dems. Pres. Obama's Language Games. How Did Life Begin on Earth? Samantha Bee | Twenty-Dollar Tubman.

Experts say listing cannabis among the world’s deadliest drugs ignores decades of scientific and medical data. But attempts to delist it have met with decades of bureaucratic inertia and political distortion

Bernie from Brooklyn: A Conversation With Mark Ruffalo. Library Flashmob | 'Hallelujah'. Bernie Is Going All the Way. How To Help Every Child Fulfill Their Potential. Baba Brinkman | "Make It Hot".

Beyond 10 days, most meteorologists will say, there is little predictive skill. This is largely due to the "butterfly effect," in which only a very small change in initial conditions will have huge changes after about 10 days.

Science nowadays often starts from the assumption of continuity between humans and animals, while shifting the burden of proof to those who insist on differences. Anyone who asks me to believe that a tickled ape, who almost chokes on his hoarse giggles, is in a different state of mind than a tickled human child has his work cut out for him.