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6 results for “biology”.

• 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 Sleep Debt Actually Does to Your Brain and Body
  Pulling an all-nighter feels like a neutral trade of time. The biology says otherwise: sleep loss costs attention, immune defence, metabolic regulation and memory consolidation — some of it at thresholds far lower than people believe. Here is what the research shows, at honest effect sizes.
• Life in the Deep Sea: What Survives Under Crushing Pressure
  Below the last glimmer of sunlight lies the largest habitat on Earth — dark, near-freezing, and at pressures that would flatten a submarine. Life did not merely endure the descent; it rewrote its biochemistry to thrive there.
• How Scientists Classify Life — From Linnaeus to DNA Trees
  Every organism on Earth has an address in a filing system invented by an 18th-century Swede and now being rebuilt base pair by base pair. Taxonomy is where biology meets genealogy: naming, ranking, arguing — and occasionally discovering that fungi are closer to animals than to plants.
• 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.
• Coral Reefs: The Animal Cities That Build the Shallow Ocean
  Reefs cover less than one per cent of the seabed and host about a quarter of all marine species — built by a small animal in partnership with a single-celled farmer. Here is the biology of the structure, the arithmetic of bleaching, and why the 2023–2024 event was the largest on record.