18 results for “sugar”
Plants & Fungi
Photosynthesis: How Plants Eat Light
sugar and six of oxygen. The plant keeps the sugar and releases the oxygen as waste
Article · 3 min read
The Human Body
Digestion
sugars, amino acids and fatty acids, that can be absorbed and then rebuilt into you. It happens
Article · 4 min read
Life & Biology
The Origin of Life
sugars; and fatty molecules that form membranes. In 1953 a graduate student named Stanley Miller sealed
Article · 4 min read
Chemistry
The Chemistry of Life
sugars and the chains made from them. Glucose, a sugar with six carbon atoms, is the fuel
Article · 3 min read
Plants & Fungi
Fungi
sugar from its leaves. These mycorrhizal networks, which link the roots of different trees across a forest
Article · 4 min read
Plants & Fungi
Trees and Forests
sugar down from the leaves to feed the roots and the growing trunk. In temperate climates
Article · 4 min read
Life & Biology
What Is Life? The Cell
sugar with oxygen to produce the energy currency that drives everything else. Plant cells carry an extra
Article · 4 min read
Matter, Energy & Physics
Energy and Heat
sugar; you turn sugar into motion and warmth; a power station turns coal into heat, heat
Article · 4 min read
Chemistry
Water: The Strangest Ordinary Substance
sugar. That is why the sea is salty, why your blood can carry nutrients, and why almost
Article · 3 min read
Chemistry
Chemical Reactions
sugar. Even reactions that release energy usually need a push to get started. A match will
Article · 3 min read
The Human Body
The Brain
sugar, has the texture of soft tofu, and is pinkish-grey. Nothing about its appearance suggests
Article · 4 min read
Life & Biology
DNA and Genes
sugar and phosphate. The rungs are pairs of chemical units called bases, of which there are four
Article · 4 min read
Life & Biology
Ecosystems and Food Webs
sugar. Everything else is a consumer, getting its energy by eating producers or eating things that
Article · 4 min read
Plants & Fungi
Carnivorous Plants
sugar, but they cannot grow without the minerals. Insects, however, are packed with them. A plant
Article · 4 min read
Animals
Reptiles and Amphibians
sugar pumped into its cells, and thaws out alive in spring. Poison dart frogs of South
Article · 3 min read
The Human Body
Muscles
sugar and fat with oxygen. Muscles at full effort use energy so fast that oxygen cannot
Article · 4 min read
The Human Body
Lungs and Breathing
sugar and fat for energy, and carbon dioxide is the exhaust. Most of the mass you lose
Article · 4 min read
The Human Body
The Heart and Blood
sugars, proteins, hormones and waste. The rest is cells. Red cells, about 25 trillion of them
Article · 4 min read
