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  • Undersea Fireworks

    Undersea Fireworks

    Image of the Week

    The tentacles of sea anemones contain thousands of stinging cells called nematocysts that are ready to fire for defense or attack. 

  • Alzheimer’s Disease: Piecing Together the Evidence

    Alzheimer’s Disease: Piecing Together the Evidence

    Click & Learn

    This interactive explores evidence from brain anatomy, tissue histology, and genetic studies to reveal possible targets for the treatment of Alzheimer’s disease.

  • Selective Breeding in Maize

    Selective Breeding in Maize

    Data Point

    Researchers performed the longest-running, controlled artificial selection experiment to study whether they could increase the protein concentration of maize (corn) by selective breeding.

  • Using Genetic Evidence to Identify Ivory Poaching Hotspots

    Using Genetic Evidence to Identify Ivory Poaching Hotspots

    Data Point

    A team of scientists analyzed the DNA from seized ivory to determine where the ivory from poached elephants came from.

  • In Memoriam: Bob Paine

    In Memoriam: Bob Paine

    Article

    Sean Carroll and Bob Paine on a film shoot in January 2016.

  • Fellowship of the Rings

    Fellowship of the Rings

    Image of the Week

    The nuclear pore is a complex of three rings of proteins that controls the passage of materials in and out of the nucleus.

  • CSI Wildlife

    CSI Wildlife

    Click & Learn

    In this interactive, students use DNA profiling, or fingerprinting, to solve two cases of elephant poaching. In the process they will learn about genetic markers, PCR, gel electrophoresis, allele frequencies, and population genetics.

  • Surveying Elephants

    Surveying Elephants

    Click & Learn

    In this interactive, students explore the methods scientists use to survey elephants and learn about the current state of the elephant population in Africa.

  • The Great Elephant Census

    The Great Elephant Census

    Scientist at Work

    (8 min 25 sec) How many African elephants are left and where are they? This video follows the work of researchers conducting the first census of African savanna elephants in over 40 years and the methods they are using to obtain accurate, up-to-date numbers across the continent. 

  • Elephants

    Elephants

    Collection

    Students will learn about DNA profiling (or fingerprinting), how population sizes are measured, genetic bottlenecks, and how sound travels, as they explore several interactives and videos based on...

  • Jurassic Mammal Teeth

    Jurassic Mammal Teeth

    Image of the Week

    A three-dimensional model of a fossilized jaw from a mouse-sized mammal that lived during the Jurassic Period.

  • Lizards

    Lizards

    Several interactives and videos teach students about adaptive traits, convergent evolution, and the formation of new species. All the materials are based on real data from ongoing research focused on...

  • Origin of a Gene Mutation Causing Early-Onset Alzheimer’s Disease

    Origin of a Gene Mutation Causing Early-Onset Alzheimer’s Disease

    Data Point

    A team of scientists built a pedigree of a large extended family in Antioquia, Colombia, that has a high prevalence of early-onset familial Alzheimer’s disease due to a mutation in the PSEN1 gene.

  • Written in Chalk

    Written in Chalk

    Image of the Week

    The world’s chalk deposits are made of fossilized remains of the shells of tiny microscopic algae.

  • Colorizing Skin Cells

    Colorizing Skin Cells

    Image of the Week

    The “skinbow” zebrafish has color-coded skin cells when viewed in a microscope using UV light illumination.

  • Niche Partitioning Activity

    Niche Partitioning Activity

    Activity

    Students are introduced to real-world examples of niche partitioning and cutting-edge technology used to give unprecedented insights into the feeding habits of wild animals.

  • Metabarcoding

    Metabarcoding

    Clip

    (3 min 38 sec) Dr. Rob Pringle introduces a new method of studying herbivore diets by extracting plant DNA from animal dung.

  • Niche Partitioning

    Niche Partitioning

    Clip

    (4 min 13 sec) Dr. Rob Pringle introduces the concept of niche partitioning with examples drawn from the African savanna.

  • Moth Mimicry: Using Ultrasound to Avoid Bats

    Moth Mimicry: Using Ultrasound to Avoid Bats

    Scientist at Work

    This video follows scientists as they uncover the ways in which moth species in Gorongosa National Park use ultrasound to avoid being eaten by bats.

  • Amylase Copy Number and Diet

    Amylase Copy Number and Diet

    Data Point

    A team of scientists investigated whether there is a correlation between the number of AMY1 gene copies and the type of diet (high-starch or low-starch) of a population.

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