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
Gregor Mendel was also a skilled beekeeper and studied the inheritance of traits in honeybees, though this work wasn't as well-known as his pea plant experiments.
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Light curing, used in dentistry and other applications, relies on a process called photopolymerization, where light triggers a chemical reaction that hardens a liquid resin into a solid.
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The "bystander effect" describes the phenomenon where the more people present during an emergency, the less likely any one person is to help.
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