featured segment
‘A Space Program’ Documents a DIY Journey to Mars
Sculptor Tom Sachs has built his own space program—and it’s 100 percent DIY.
12:00
DARPA ‘Improv’ Challenge, a Tiny T-Rex, and Plastic Homes for Sea Life
DARPA turns to the crowd to find “off-the-shelf” threats, and a look at how floating plastic waste can provide a home for sea life.
11:58
Tricking Tumor Cells to Accept a Lethal Payload
A new method convinces cancer cells to gobble up a ball of poison and ferry it directly to the cell nucleus.
26:19
Teaching Climate Change Science in the Classroom
A panel of education experts discuss challenges and approaches to teaching climate change science in the classroom.
8:34
Investigating Sea Level Rise on a Local Level
Researchers estimate as 13.1 million U.S. residents could be displaced by rising sea levels by 2100.
16:59
The Laws of Nature, From the Sea to the Savannah
In his latest book, The Serengeti Rules, biologist Sean B. Carroll tells of some of the greatest experiments in ecology.
16:44
‘A Space Program’ Documents a DIY Journey to Mars
Sculptor Tom Sachs has built his own space program—and it’s 100 percent DIY.