How might we cope with shorter days and less sleep? How would it affect our climate and geography? Can we survive any faster? We don’t feel the Earth spinning...
Imagine looking up at the night sky and knowing that the bright object above your head is doing more than reflecting sunlight. Instead, it is generating electricity. A...
On Earth Day, we’re reminded just how delicate and interconnected our planet’s systems really are. From the air we breathe to the water we drink, even the smallest...
39 light years from Earth, the TRAPPIST 1 system hides one of the most extraordinary planetary families ever discovered. Around a faint red dwarf star, seven Earth sized...
It sounds like science fiction, but imagining a collision between Jupiter and a black hole helps reveal just how delicate our Solar System really is. Space is not empty...
Hot air balloons have fascinated people for centuries. The first successful manned hot air balloon flight took place in France in 1783, when the Montgolfier brothers...
A quiet walk through untouched wilderness can turn terrifying in an instant if you cross paths with one of the most powerful predators on land. Bears rank among the...
Keep your friends close and your enemies closer. Wise words. But what if two of the world’s most powerful nations burned their friendship, and each other, to the...
Scroll down for the quiz! There is an invisible force protecting us, keeping our atmosphere in place. Without it, life on Earth would be over very quickly. I’ll...
What if I told you that every time you’re asleep in your bed at night, your private thoughts might be compromised? What if, when you’re dreaming about all your hopes...
Today on What If, we’re going to build the highest bridge on planet Earth. Welcome to the Qinghai-Tibet Plateau, the “Roof of the World.”It’s home to the world’s...
Life on Earth is far more resilient than it first appears. From scorching deserts to freezing oceans, and even places touched by radiation or near total isolation...
Most caves are dark, quiet places filled with rock formations and underground tunnels. But hidden beneath the jungles of Vietnam is a cave so enormous that it contains...
The African night can become dangerous without much warning. A quiet campsite may seem completely safe, but the smell of food, discarded scraps, or even the sound of...
Imagine waking up one morning with an extraordinary new ability: the power to see the fourth dimension. At first, it might sound like something straight out of science...
Climate change is one of the biggest challenges facing humanity. Rising temperatures are melting ice, intensifying storms, damaging ecosystems, and threatening...
Imagine stepping outside your house and realizing you are never truly alone. A pigeon sits on a telephone wire across the street. A squirrel runs along a fence. A deer...
Dry ice is one of the coldest substances on Earth. Now, what would happen if you swallowed dry ice? What would it do to your skin? How much could you eat before it hurts...
MSN New, Earth
The World’s Longest Bridge Is Tiny Compared to This, and Building One Across an Ocean Would Change Everything
The desire to get to one place from another has been with us for a long time. In Mycenae, Greece, ancient remnants of bridges have been found dating back to about 1600 B...
If you find yourself going into a freefall inside a metal tube hurtling through the clouds at hundreds of kilometers per hour, and an oxygen mask drops down right in...
