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How have music icons changed over the last century? We look at how the styles of male icons have evolved over the years, from Duke Ellington and Bing Crosby to Michael Jackson and Prince.

Jing-Jin-Ji: China is in the midst of a construction spree unparalleled in human history. These are the Megaprojects that will lift China into the future. China wants to make its capital, Beijing, the center of the world's largest supercity, by merging three provinces into one continuous megalopolis of 130 million people.

We tend to imagine that we can only become addicted to a few sorts of things. But real addiction is about using something, anything, to keep our real emotions, fears and hopes at bay. There are many more addicts among us than we think.

Political correctness aims for some very nice results, but its means have a habit of upsetting a lot of people. Might there be an alternative to it? We think there is, and it's called Politeness.

This video is about why it's harder to successfully land spacecraft and landers and rovers on Mars than on Earth, or Venus, or the Moon, or Titan, or asteroids. It all comes down to atmospheric density! When there's no atmosphere, you can do a powered descent in a flimsy tinfoil spacecraft like the Lunar Module, and when there's plenty of atmosphere you can do an unpowered descent via heat shield and parachutes like the space shuttle, Apollo command module, Soyuz, Huygens, etc. But on Mars with its thin air, you have to do both powered & unpowered descent, getting the worst of both worlds.

We're used to thinking hugely well of democracy. But interestingly, one of the wisest people who ever lived, Socrates, had deep suspicions of it.

Swiss researchers have come a step closer to building a better artificial heart. It's a squishy prototype that's 3D-printed from silicone.

Glacier ice is weird. It's solid. Solid things aren't supposed to flow. But glacier ice flows like a liquid, and it does that without melting! How is this possible? I traveled to Mendenhall Glacier in Juneau, Alaska to find out.

Chris Atkeson, the creator of Big Hero 6's Baymax, wants to bring soft robots to the world.

Researchers at Stanford University developed a soft, squishy robot that "grows" like a vine and can squeeze through tight spaces. It can also lift heavy objects, which makes it potentially ideal for search-and-rescue operations.

Kaden Casebolt, 5, has Osteogenesis Imperfecta, meaning his bones can break from sneezing. Despite his fragility, the superhero-obsessed boy loves dressing up as his heroes.

Mexico's vast capital - Ciudad de Mexico, the largest city in the Americas - is threatened by a severe water crisis.

Lemon Pepper Wet is an Atlantan institution, virtually unknown outside the Peach State until Donald Glover's groundbreaking series made us salivate without even showing us the pay dirt. Look behind the Pulp-Fiction-style glowing MacGuffin and see the saucy, zesty wings underneath with this week's episode. Shout out to J. Kenji Lopez-Alt for his groundbreaking oven wing technique.

In assessing what material things are important and worth paying attention to, we're oddly prejudiced against cheapness - and frustratingly drawn to the expensive, for reasons that don't necessarily stand up to examination.

The giant crack that's been racing across Antarctica Larsen C ice shelf finally met its breaking point between July 10 and 12. The result was an iceberg the size of Delaware and weighing a trillion metric tons.

Why Christopher Nolan is obsessed with Shepard tones.

The philosophy of Kurzgesagt.

One of the key requirements for having a good chance of finding the right partner is not to mind too much being single.

A dog chasing its tail may be a sign of a direr issue. Like humans, dogs can suffer from a form of obsessive-compulsive disorder, called canine compulsive disorder.

Each year in the United States, players of sports and recreational activities receive between 2.5 and 4 million concussions. How dangerous are all those concussions? The answer is complicated and lies in how the brain responds when something strikes it. Clifford Robbins explains the science behind concussions.

Partners who break up frequently think that the nicest thing to do is to try to remain good friends. But this nice-sounding gesture frequently brings with it unexpected consequences. It may be better to plot a different course.