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7 results for “food”.

• Why There Are So Few Top Predators — The 10% Rule of Energy
  A forest can feed ten thousand deer, a thousand wolves at most, and one bear family per valley. The reason is not hunting skill or territory — it is thermodynamics, and the same arithmetic that limits your food chain also explains why eating lower on it feeds more people.
• What Is El Niño (and La Niña)? The Pacific Cycle That Rewires Global Weather
  Every few years the tropical Pacific shifts between warm, cold and neutral phases — and droughts, floods, hurricane seasons and food prices around the world shift with it. Here is how the El Niño–Southern Oscillation actually works, how scientists measure it, and why a patch of warm water 10,000 kilometres away changes your weather.
• The Science of Cooking — Heat, Salt, Fat and Water
  Every recipe ever written is applied physics with a taste test. Four forces — heat, salt, fat and water — do almost all the work in a kitchen, and once you can name them, instructions stop being arbitrary and start being obvious. Here is the model behind good cooking.
• Phytoplankton: The Invisible Forest That Feeds the Ocean
  Microscopic drifters, most of them single cells, produce roughly half the biosphere's oxygen and form the base of every marine food web. Satellites can see their blooms; the climate record keeps their graves. Here is the smallest forest on Earth.
• How to Read a Nutrition Label in Two Minutes
  Front-of-pack marketing lies; the little table does not. Here is how to read a nutrition label — servings, the 4-4-9 calorie rule, added sugars, and the one trick that stops you being fooled by "per serving" numbers.
• How Photosynthesis Works: The Reaction That Powers Most Life
  A leaf is a solar factory that assembles sugar out of air and water, and the oxygen you are breathing is its waste product. Here is the two-act machinery of photosynthesis — the light reactions and the Calvin cycle — and why the details explain C4 crops, houseplants, and the entire food chain.
• How Birds Migrate: The Compass, the Map, and the Fuel Engineering of Flight
  A bar-tailed godwit flies eleven thousand kilometres non-stop across the Pacific — no food, no water, no rest. Bird migration is not a journey; it is a piece of biological engineering with a compass, a calendar, and a metabolic budget. Here is how it works.