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Compressed Camp
WHEN YOU’RE CLIMBING A STEEP, rocky trail on the side of a mountain, a bulky pack catching on branches or scraping against boulders will slow your ascent.
Where The Wild Things Are
TRACKING WILDLIFE HAS improved our understanding of animal activities such as migration and hunting. Yet most species remain invisible to biologists. Transmitter devices that exceed 5 percent of an animal’s body weight can negatively impact its behavior and chances of survival. Size concerns put the vast majority of animals—including an estimated 75 percent of the world’s mammals and birds—off-limits.
The Chemical Weapons Detectives
Toxic Substances, In War And Assassination, Are Hard To Trace. Elite Chemists Are Helping Id The Perps.
Alarm Will Sound
As long as nuclear power exists, there will be attempts to swipe its radioactive fuel. Meet the people trying to keep that from happening.
Deadliest Catch
Venoms That Can Kill Can Also Cure
Guardian Of The Galaxy
LISA PRATT WAS NEARLY 2 MILES BELOW GROUND IN A SOUTH African gold mine when the lights went off and the air stopped moving.
Glimpse Within
A SHARP PAIR OF EYES CAN PROBABLY SPOT SOMETHING AS wee as a paramecium swimming in a petri dish. Anything tinier requires the optical assist of lenses refracting light toward your peepers, making the itty-bitty look big. These microscopes offer increasingly powerful optics, giving you a towering perspective on hidden realms.
Space-Time Continuum
IN THE 5 8 YEARS SINCE ALAN Shepard became the first American to orbit Earth, NASA has deemed just one watch tough enough to wear in open space.
Starry Night, Done Right
IN THE BACKCOUNTRY, PEERING INTO THE MILKY WAY requires nothing more than waiting for nightfall, stepping outside, and looking up.
Dinner Is Preserved
THE FIRST AMERICANS IN SPACE SQUIRTED THEIR MEALS OUT of tubes.
Mars 2020 Vision
Mimi Aung was still a young girl when she learned a lesson that has defined her career at NASA.
What Beginners Need To Master Vertigo
Despite gravity’s efforts to keep humans grounded, the lure of exploring and conquering massive walls draws climbers upward.