Toxicology

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The LD50, a common measure of toxicity, represents the dose of a substance that is lethal to 50% of a test population. It's not necessarily a precise measure for humans, as species can react very differently. elaborate share

Molecular Gastronomy

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Molecular gastronomy utilizes techniques like spherification to create caviar-like spheres of flavor, often from unexpected ingredients. elaborate share

Geology

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The largest known single crystal is a beryl crystal found in New Hampshire, measuring over 18 feet long. elaborate share

Scientists and Innovators

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Marie Curie's research notebooks are still radioactive and require special handling. elaborate share

Astronomy

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There are more stars in the universe than grains of sand on all the beaches on Earth. elaborate share

Alexander Fleming

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Alexander Fleming's discovery of penicillin was partly accidental; he noticed the mold inhibiting bacterial growth on a contaminated petri dish. elaborate share