21 results for “sea”

1. Planet Earth

   The Oceans

   sea fish, squid and jellyfish flash and glow to find food, mates and each other, so that

   Article · 4 min read

   

2. Animals

   Animal Migration

   sea turtle hatchlings away from the sea; wind farms and glass towers kill birds; the forests

   Article · 4 min read

   

3. Planet Earth

   The Atmosphere

   seas. That mixture is unlike any other planet's. Venus and Mars have atmospheres of almost

   Article · 4 min read

   

4. Planet Earth

   Weather and Climate

   sea ice, raise the sea by over 20 centimetres, make heatwaves hotter and more frequent, and load

   Article · 4 min read

   

5. Animals

   Whales and Dolphins

   sea, grew into the largest animals ever, and talk to each other across oceans. Here is what

   Article · 4 min read

   

6. Planets & the Solar System

   Saturn

   seas near the poles, fed by methane rain and drained by rivers. Beneath the icy crust

   Article · 4 min read

   

7. Animals

   Sharks

   seas, there were no trees, no insects and no animals of any kind on land. Dinosaurs

   Article · 3 min read

   

8. Chemistry

   Water: The Strangest Ordinary Substance

   seas in cold regions would freeze from the bottom up, and much of life in them

   Article · 3 min read

   

9. Planet Earth

   Volcanoes

   sea. They built the continents, made the air breathable and can bury cities in hours. In August

   Article · 4 min read

   

10. Planets & the Solar System

    The Moon

    seas and dust The Moon has no atmosphere and no weather, so nothing erases its scars

    Article · 4 min read

    

11. Life & Biology

    Ecosystems and Food Webs

    Sea otters eat sea urchins; when otters were hunted to near extinction along the Pacific coast

    Article · 4 min read

    

12. Planet Earth

    Rocks, Minerals and Fossils

    sea creatures; the white cliffs of Dover are chalk, made of trillions of microscopic plankton shells

    Article · 4 min read

    

13. Animals

    Mammals

    sea 50 million years ago, their front legs becoming flippers and their hind legs vanishing except

    Article · 4 min read

    

14. Life & Biology

    The Origin of Life

    sea hydrothermal vent, where hot mineral-rich water pours from the seafloor into cold ocean. Vents

    Article · 4 min read

    

15. Animals

    The Octopus

    sea snakes, choosing a disguise suited to whatever predator is nearby. Intelligence Octopuses in laboratories unscrew

    Article · 3 min read

    

16. Space & the Universe

    The Big Bang

    sea of electrons without scattering. Then the temperature dropped to about 3,000 degrees, cool enough

    Article · 4 min read

    

17. Chemistry

    Acids and Bases

    shells. Understanding acids and bases helps us cook, clean, farm, keep healthy and protect the seas.

    Article · 3 min read

    

18. Planet Earth

    Inside the Earth

    sea, keeping the climate habitable over geological time. The core's magnetic field protects the atmosphere

    Article · 4 min read

    

19. Matter, Energy & Physics

    Light

    sea fish make light with chemistry. A laser makes it by persuading a crowd of atoms

    Article · 4 min read

    

20. Plants & Fungi

    Photosynthesis: How Plants Eat Light

    sea, in floating microscopic algae and cyanobacteria too small to see, which together produce as much

    Article · 3 min read

    

21. Planet Earth

    Plate Tectonics and Earthquakes

    sea. The Atlantic widens by about 2.5 centimetres a year. Where plates push together, one usually

    Article · 4 min read