Engineering and Science, Volume 79:2, Summer 2016

Table of Contents

Caltech on Social Media

Random Walk
Mighty Diatoms • Warring Robots • Social Hormones • And More

Origins
Helping Add Extra to Curricular: The History of the Caltech Y

"The Universe Has Spoken" Kimm Fesenmaier
How Caltech researchers used numerical relativity to help understand the ripples in spacetime predicted by general relativity.

Nine Things to Know About Planet Nine
From its mass to its orbit, here are some of the things Caltech astronomers are finding out about Pluto’s possible replacement.

Threading the Needle
Biologist David Baltimore talks about the abundant promise and potential perils of the gene-editing technique CRISPR-Cas9.

Special Delivery By Mark Wheeler
Whether they’re landing rovers on Mars, collecting data in hard-to-reach locales, or shepherding drugs to the brain, Caltech researchers are thinking about transportation in unexpected ways.

The Next Big Thing By Nehaly Shah
The future is bright for those about to become Caltech’s newest alumni, who talked to us about the big ideas they’ll be pursuing next.

In Memoriam
David G. Harkrider • The Honorable Shirley M. Hufstedler

Endnotes
What will be the next big thing in science or engineering?