HS-LS4-1

Communicate scientific information that common ancestry and biological evolution are supported by multiple lines of empirical evidence.

  1. Fossils

    Scientists Say: Dinosaur

    Dinosaurs emerged between 243 and 233 million years ago. While some died out 66 million years ago, others are still with us — birds.

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  2. Life

    Scientists Say: Hominid

    Scientists are still working out what counts as a hominid. Some say it’s just people and our extinct ancestors. Others say add more apes.

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  3. Humans

    By not including everyone, genome science has blind spots

    Little diversity in genetic databases makes precision medicine hard for many. One historian proposes a solution, but some scientists doubt it’ll work.

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  4. Agriculture

    Soil (and its inhabitants) by the numbers

    Teeming with life, soils have more going on than most of us realize.

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  5. Animals

    Giant worms may have hidden beneath the ancient seafloor to ambush prey

    Twenty-million-year-old tunnels unearthed in Taiwan may have been home to creatures similar to today’s monstrous bobbit worms.

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  6. Archaeology

    Harsh Ice Age winters may have helped turn wolves into dogs

    In the Ice Age, Arctic hunters may have turned to some game for their fatty bones. Much of those animals’ meat might have been left to domesticate dogs.

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  7. Animals

    Scientists Say: Medullary bone

    Medullary bone is a layer that forms inside bird and dinosaur bones. It’s a source of the calcium in eggshells.

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  8. Archaeology

    This prehistoric woman from Peru hunted big game

    Women in the Americas speared large prey as early as 9,000 years ago, new archaeological evidence suggests.

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  9. Genetics

    Scientists Say: Evolution

    Evolution is how species change over time. Individuals in the group vary, and some will pass on their genes. Over time, the whole species changes.

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  10. Animals

    Attack of the inner-cannibal mega-shark

    The outsized megalodon was a fierce terror that chewed its way across the oceans. It learned to kill even before it was born.

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  11. Health & Medicine

    Some Neandertal genes may up the risk of severe COVID-19

    Most of the affected people descend from communities in South Asia or live in Europe today.

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  12. Archaeology

    See what these animal mummies are keeping under wraps

    A new method of 3-D scanning mummified animals reveals life and death details of a snake, a bird and a cat that lived in ancient Egypt.

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