45
AN ANCIENT
MICROBIAL
MYSTERY
46
SHOULD RIVERS
FLOW FREE
ONCE AGAIN?
54
THE WORLD
MAPPED,
INSTANTLY
62
DESIGNING
DINOS WITH
FOSSIL CLUES
68
FLAWLESS
FROM THE
START
70
AGE-OLD
CLIMATE
SOLUTIONS
82
WHEN A NEW
RAIL AND OLD
RUINS COLLIDE
88
YOUR DOG
WAS THE
ALPHA FIRST
94
SPRING 2020
PHOTOGRAPH BY THE VOORHES
ORIGINS