This week, we learned …
… how many calories are in a human.
We … actually have a lot of resource on cannibals. Colonists! Conquistadors! Sailors! Settlers!
… a graphene-based sieve turns seawater to drinking water.
… there’s no straight answer for these crooked trees.

Photograph by Kengi, courtesy Wikimedia. Public domain
Can your students spot crooked trees?
… you shouldn’t walk on escalators.

Photograph by James L. Stanfield, National Geographic
How are escalators a part of urban innovation?
… bald eagles are dirty birds. Click here for some breathtaking images!

Photograph by Andrea Westmoreland, courtesy Wikimedia. CC-BY-SA-2.0
… a trailblazing female Marine just graduated from Infantry School.
How have citizens served their country in the military?
… engineers are turning food waste into “sustainable rubber,” and why so much airline food ends up in landfills.
What can you do about food waste?
… the scientifically best way to sweep a floor.
When might the Chinese community use this technique?
… how to design neighborhoods for happiness.

Photograph by Fritz Hoffman, National Geographic
How do you design a neighborhood?
… maybe we should pay kids to go to high school.

Photograph by John Stanmeyer, National Geographic
Cannibalism!!! It’s a horrific term.. How can human eat a human?? During voyage people prefer cannibalism.. This is so much brutal.. It’s better to die than to Kill someone.. Life is precious but it never means for your own survival you will murder.. It’s an unforgivable sin..