NASA
Themes
Explore major advances across the sciences to see how we arrived at today’s view of our world
Over the past 100 years, physicists have revealed the inner workings of matter, including the subatomic particles revealed in experiments at the Large Hadron Collider (shown) and other particle accelerators.
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Connections
Uncover links that illuminate the process and nature of the scientific endeavor
Optogenetics turns nerve cells into light-controlled puppets.
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Milestones
Create a timeline of discoveries, advances and turning points that you care about most
Expanding cosmos
Dropping the bomb
BTJKW6 Jane Goodall, ca 1965. Courtesy: CSU Archives/Everett Collection
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First cloned mammal
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Spotlights
Read stories of the people, projects and technologies that inspired a Century of Science
Barred from ocean expeditions for most of her career, Marie Tharp poured all of her energy into mapping the seafloor — creating the most comprehensive views available.
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Fascinating geology should re-earn Pluto planetary status, some scientists maintain.
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Optogenetics turns nerve cells into light-controlled puppets.
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Subatomic particles become visible as graceful arcs and whorls in bubble chambers (this image from 1978) and other detectors.
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Mathematician J. Ernest Wilkins Jr. played an important role in the Manhattan Project, working with physicists to build an atomic bomb.
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Research in social and biomedical science often uses a statistical method known as null hypothesis testing to determine whether results are “statistically significant.” A P value less than 0.05 is considered significant.
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Oceanographer Arthur Raff examines a sensor on a magnetometer towed behind the research vessel Explorer in 1960.
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The Very Large Array, a network of radio dishes in New Mexico, was featured in the 1997 movie Contact. Astronomers have used it to study black holes and the regions around young stars where planets form.
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