If you can only digest six awesome pieces of Internet content this week (plus one congrats), look no further. Here’s a round-up of the best stories on the webs this week.

Paul Bloom: The origins of pleasure

TED speaker Paul Bloom makes a compelling case against empathy, arguing that empathy alone is not sufficient to uphold morality — and may even work against it. [The New Yorker]

42 truly stunning photos from the 2013 National Geographic Traveler Photo Contest. [The Atlantic]

Would you be friends with Humbert Humbert? Authors weigh in on whether fictional characters ought to be likable. [New Yorker blog]

Damon Horowitz: Philosophy in prison

The most popular way to spend time at Beaumont Juvenile Correctional Center in Virginia is … reading Tolstoy? [The Washington Post] Watch a talk on philosophy in prisons »

Scientists show an electronic jolt to the brain can improve mental arithmetic skills in the long-term, and without negative side-effects. [New Scientist]

Chris Hadfield alights from space with another social media masterpiece, a cover of David Bowie’s “Space Oddity,” along with a full-length music video. Shot in the International Space Station. [YouTube] Watch a TED Blog playlist we published to welcome him home »

Raghava KK: My 5 lives as an artist

And a brief congrats to TED speaker Raghava KK, who was named a National Geographic Emerging Explorer this week, and TED Fellows Skylar Tibbits and Marc Fornes, who were both awarded the 2013 Architectural League Prize for Young Architects + Designers.