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  1. en.wikipedia.org › wiki › AbiogenesisAbiogenesis - Wikipedia

    15 hours ago · The transition from non-life to life has never been observed experimentally, but many proposals have been made for different stages of the process. The study of abiogenesis aims to determine how pre-life chemical reactions gave rise to life under conditions strikingly different from those on Earth today.

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  3. en.wikipedia.org › wiki › KnowledgeKnowledge - Wikipedia

    15 hours ago · Knowledge is relevant to many fields like the sciences, which aim to acquire knowledge using the scientific method based on repeatable experimentation, observation, and measurement. Various religions hold that humans should seek knowledge and that God or the divine is the source of knowledge.

  4. 15 hours ago · Animal testing, science, medicine, animal welfare, animal rights, ethics. Animal testing, also known as animal experimentation, animal research, and in vivo testing, is the use of non-human animals in experiments that seek to control the variables that affect the behavior or biological system under study. This approach can be contrasted with ...

  5. en.wikipedia.org › wiki › CRISPRCRISPR - Wikipedia

    15 hours ago · However, this was disputed by a critic who noted, "We should remember [Lamarck] for the good he contributed to science, not for things that resemble his theory only superficially. Indeed, thinking of CRISPR and other phenomena as Lamarckian only obscures the simple and elegant way evolution really works".

  6. en.wikipedia.org › wiki › Atomic_clockAtomic clock - Wikipedia

    15 hours ago · Time standards. An atomic clock is based on a system of atoms which may be in one of two possible energy states. A group of atoms in one state is prepared, then subjected to microwave radiation. If the radiation is of the correct frequency, a number of atoms will transition to the other energy state.

  7. 15 hours ago · e. Discussions of race and intelligence – specifically regarding claims of differences in intelligence along racial lines – have appeared in both popular science and academic research since the modern concept of race was first introduced. With the inception of IQ testing in the early 20th century, differences in average test performance ...

  8. en.wikipedia.org › wiki › CreativityCreativity - Wikipedia

    15 hours ago · Creativity is a characteristic of someone (or some process) that forms something novel and valuable. The created item may be intangible (such as an idea, a scientific theory, a musical composition, or a joke) or a physical object (such as an invention, a printed literary work, or a painting ).

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