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SUNDAY SHOW & TELL
vol.79

New Zealand BMX cyclist Jed Milton just set a new world record, becoming the first person to land a quadruple backflip. This video, courtesy of Nitro Circus, is unreal. Nothing like a little friendly competition to push boundaries!

QUADRUPLE BACKFLIP (video)

Bicycles have played a number of key roles throughout the last century, serving as everything from military transportation to an emblem of the women's rights movement in the US. National Geographic gathered 16 shots that really put historical context to our favorite machine. Cycle through!

A CENTURY OF CYCLING (photos)

What is a tree worth? Would it surprise you to know that a new study found that an additional ten trees on a given clock corresponds to a one-percent increase in how healthy nearby residents felt? Every little bit helps! This builds upon a thread we originally mentioned in SS&Tvol76. Read more about the many benefits of our green friends at the link below.

WHAT A TREE IS WORTH (essay)

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SUNDAY SHOW & TELL
vol.78

Have you ever wondered what keeps a bicycle upright, or how a riderless bike can travel a solid distance without falling? Some feel they understand the basic physics involved, but the true answers might surprise you. Take a minute to learn something new.

THE PHYSICS OF A BICYCLE (video)

Ten years ago, Rob McBride, an IT specialist from Shropshire, England, was saved by a newfound fascination with trees. Now, he returns the favor by participating in Ancient Tree Hunt, an effort to catalogue and preserve the oldest trees in the UK. Read his inspiring story below.

TREES SAVE A MAN, MAN SAVES THE TREES (photo essay)

The future has arrived! Imagine never again having a flat tire, or needing to change one. The Energy Return Wheel, an airless prototype, offers that possibility and so much more. Check it out!

ENERGY RETURN WHEEL (article)