1. Wildfires, whether ignited by lightning or people, show global patterns that are visible to satellites. In the United States, fire is increasing: on average, millions more acres burn each year than was typical a few decades ago, and fire season is longer. Prolonged drought in the West, provoked by climate change, is encouraging this rise in fire.

    Science Bulletins is a production of the National Center for Science Literacy, Education, and Technology (NCSLET), part of the Department of Education at the American Museum of Natural History. This visualization was supported by the National Oceanic and Atmospheric Administration (NOAA).

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  2. Scientists at the American Museum of Natural History conduct studies all over the world during their annual field seasons. In this episode of "Field Notes," we trek into the jungles of Madagascar with two museum biologists in search of strange and unusual reptiles.

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  3. As the leading greenhouse gas, carbon dioxide is one of the atmosphere’s most closely watched ingredients. The scrutiny began in 1958, when a young geochemist named Charles Keeling began regularly measuring CO2 atop a massive Hawaiian volcano—and discovered some intriguing patterns.

    For a Google+ Hangout with the scientists behind this visualization, educational resources, and more, visit Keeling’s Curve: The Story of CO2 on the Science Bulletins website: amnh.org/explore/science-bulletins/(watch)/earth/visualizations/keeling-s-curve-the-story-of-co2

    Science Bulletins is a production of the National Center for Science Literacy, Education, and Technology (NCSLET), part of the Department of Education at the American Museum of Natural History. This visualization was supported by the National Oceanic and Atmospheric Administration (NOAA).

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  4. NASA’s Gravity and Climate Experiment (GRACE) is an audacious mission to track the impact of climate change on the planet’s vast tracts of freshwater, saltwater, and ice. GRACE’s pair of satellites responds to the gravitational pull of these massive stores, effectively “weighing” Earth’s shifting water resources month by month. The satellites can detect where water is accumulating and drying up on a grand scale—data that were unavailable before. GRACE’s unprecedented view of our water planet could prove critical in the effort to anticipate and manage the consequences of climate change for people worldwide.

    For background information, educational resources and more, visit Grace: Tracking Water from Space on the Science Bulletins website, amnh.org/explore/science-bulletins/(watch)/earth/documentaries/grace-tracking-water-from-space

    Science Bulletins is a production of the National Center for Science Literacy, Education, and Technology (NCSLET), part of the Department of Education at the American Museum of Natural History. This visualization
    was supported by the National Oceanic and Atmospheric Administration (NOAA).

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  5. In an underwater cave in the Yucatán, divers discovered a near-complete human skeleton dating to the first wave of migration to North America. DNA evidence from these remains is helping scientists solve a long-standing mystery about whether contemporary Native Americans are descended from these first American arrivals.

    Science Bulletins is a production of the National Center for Science Literacy, Education, and Technology (NCSLET), part of the Department of Education at the American Museum of Natural History.

    RELATED LINKS

    Science: Late Pleistocene Human Skeleton and mtDNA Link Paleoamericans and Modern Native Americans
    sciencemag.org/content/344/6185/750

    Hoyo Negro
    hoyonegro.org/index.html

    The National Institute of Anthropology and History (INAH)
    inah.gob.mx/index.php/english

    The National Geographic Society
    nationalgeographic.com/about/

    Bay Area Underwater Explorers
    baue.org/

    Science Bulletins: New Digs Expose Early Americans
    amnh.org/explore/science-bulletins/(watch)/human/news/new-digs-expose-early-americans

    Image: Diver Susan Bird working at the bottom of Hoyo Negro, a large dome-shaped underwater cave on Mexico’s Yucatán Peninsula. She carefully brushes the human skull found at the site while her team members take detailed photographs.

    [Image courtesy of Paul Nicklen/National Geographic]

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Science Bulletins

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Explore the natural world with Science Bulletins; our documentary Feature Stories, Data Visualizations, and News updates focus on recent discoveries and new technologies in astrophysics, Earth science, biodiversity, and human health and evolution.

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Explore the natural world with Science Bulletins; our documentary Feature Stories, Data Visualizations, and News updates focus on recent discoveries and new technologies in astrophysics, Earth science, biodiversity, and human health and evolution.

Astro Bulletin highlights the scientists, observatories, and technologies that advance our knowledge of the cosmos.

Earth Bulletin reports recent events and discoveries related to Earth's land, oceans, and atmosphere.

Bio Bulletin covers the ever-evolving diversity of life on Earth and our human footprint on the biosphere.

Human Bulletin explores the science of our species, covering fossil and genetic research on human evolution as well as studies on human health and biology.

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