Cosmos

19 results for “sunlight”

  1. Plants & Fungi

    Photosynthesis: How Plants Eat Light

    sunlight, water and air into sugar and oxygen. It is the chemical reaction that feeds almost

    Article · 3 min read

  2. The Human Body

    Skin, Hair and Nails

    sunlight Skin colour comes mainly from a pigment called melanin, made by cells at the base

    Article · 3 min read

  3. Planets & the Solar System

    The Sun

    sunlight in disguise. Plants capture it; animals eat plants; coal, oil and gas are sunlight stored

    Article · 4 min read

  4. Planet Earth

    The Oceans

    Sunlight does not get far. By 200 metres down, too little remains for plants to grow

    Article · 4 min read

  5. Planets & the Solar System

    Uranus and Neptune

    sunlight and then 42 years in darkness. When Voyager 2 flew past in January 1986, Uranus

    Article · 4 min read

  6. Planet Earth

    The Atmosphere

    sunlight and released oxygen as waste. Around 2.4 billion years ago it began to accumulate in the air, and it reached

    Article · 4 min read

  7. Planets & the Solar System

    Mercury and Venus

    sunlight that Venus is the brightest object in our sky after the Sun and Moon. Beneath

    Article · 3 min read

  8. Space & the Universe

    The Life of a Star

    sunlight that warms the Earth. Swelling into a giant When the hydrogen in the core runs

    Article · 3 min read

  9. The Human Body

    The Skeleton and Bones

    sunlight and which the gut needs to absorb calcium, help keep bone strong. Bones also record

    Article · 5 min read

  10. Planet Earth

    Weather and Climate

    sunlight in but trap the heat radiating back out, the greenhouse effect that keeps Earth about

    Article · 4 min read

  11. Life & Biology

    Ecosystems and Food Webs

    sunlight and climate. It can be as small as a rotting log or as large as the Amazon

    Article · 4 min read

  12. Life & Biology

    What Is Life? The Cell

    sunlight to make sugar in the first place. Bacteria are built more simply, with no nucleus

    Article · 4 min read

  13. Planets & the Solar System

    Comets, Asteroids and Pluto

    sunlight and the solar wind, so a comet leaving the Sun travels tail-first. The European

    Article · 4 min read

  14. Plants & Fungi

    Fungi

    sunlight; it has to find it, as animals do, and it digests that food outside its body

    Article · 4 min read

  15. Plants & Fungi

    Carnivorous Plants

    Sunlight is plentiful, so the plants can make sugar, but they cannot grow without the minerals

    Article · 4 min read

  16. Planet Earth

    Volcanoes

    sunlight for a year or two. After Mount Pinatubo erupted in 1991, global temperatures dropped by about

    Article · 4 min read

  17. Matter, Energy & Physics

    Energy and Heat

    sunlight and radiate low-quality heat. Animals eat the plants and radiate heat in turn; a resting

    Article · 4 min read

  18. Plants & Fungi

    Trees and Forests

    Sunlight is the prize every plant competes for, and the plant that grows taller than its neighbours

    Article · 4 min read

  19. Matter, Energy & Physics

    Light

    Light is a wave, a particle and the fastest thing there is. Everything you see is

    Article · 4 min read