World · Physics
When the Sky Can No Longer Hold the Charge
Before a lightning bolt, a cloud spends minutes quietly building a difference so large that the air itself gives way.
World · AnimalsThe Whale Knows a World We Cannot EnterWhat happens when an animal spends its entire life inside a medium that carries sound, pressure and movement through its body?
World · Physics
The Same Sound, Two Different Worlds
The same pressure wave obeys the same laws in air and in water, yet it builds two completely different worlds.
World · Life
The Skin Remembers Every Contact With the World
Your largest organ is also a sensing surface, reading pressure, vibration, stretch and warmth in astonishing detail. It may be the sense we trust most to tell us what is real.
World · Animals
What Darkness Feels Like to an Animal That Does Not Need Sight
For the star-nosed mole, the blind cavefish and the bat, darkness is not an absence. It is simply a world built from something other than light.
World · Nature
How Does a Tree Know Which Direction Is Upward?
A seed buried upside down will still send its root down and its shoot towards the sky. Inside its cells, tiny grains of starch are falling.
World · Physics
How Does Sound Create a World Underwater?
Light fades within a few hundred metres of the ocean's surface. Sound can cross entire ocean basins — and the creatures of the sea have been listening for millions of years.
World · Space
What Would Earth Feel Like Without a Permanent Sense of Up and Down?
Astronauts lose their sense of up within hours of reaching orbit. What they experience reveals how much quiet work our bodies do to keep the world upright.
Questions in world
- Can animals experience realities humans cannot imagine?
- What actually happens in the instant before lightning strikes?
- Why does the same sound behave so differently in air and water?
- Why does touching something make it feel real?
- What does darkness feel like to an animal that does not depend on sight?
- How does a tree know which direction is upward?
- How does sound create a world underwater?
- What would Earth feel like without a permanent sense of up and down?