Some organisms' genes are changing in step with Earth's climate
While Christina Holzapfel and William Bradshaw were post-doctoral fellows at Harvard University, they discovered a love for each other—and for bogs. The pair used to spend entire days knee-deep in peat, admiring the soupy, muddy scenery. "It's a peculiarity, I know," says Holzapfel. "But when you see the pitcher plants in bloom, with these exquisite pink blossoms shining out over the generally mucky mess, it's a stunning thing."