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Why does everything turn yellow in spring? Pine trees produce yellow pollen every year at this time. This annoying ritual is necessary for pine trees to reproduce. Part of the "Seasonal Science" series.
(Source: DCMP)
Scientists Bruce Maxwell and his team explores how invasive lodgepole pine is affecting the landscape of New Zealand and possibly creating a greater risk of wildfire. Part of WildFIRE PIRE series.
Host Emily Graslie discusses harmful plants related to the holiday season. Some of the plants highlighted include mistletoe, poinsettia, holly, and pine. Part of "The Brain Scoop" series. Please note this title makes references to plant and human reproduction.
One of the fifteen parts of the "Farm to Market" series. Fruits such as bananas, papayas, pineapples, and coconuts grow in warm tropical areas. Shows how these fruits and others are grown, harvested, and transported to market.
Elizabeth Hadly has been studying biodiversity in Yellowstone National Park for 30 years. Accompanied by biologist Sean Carroll, she demonstrates different ways in which climate change is impacting the park’s ecosystems. Bark beetles are surviving the winter at higher elevations and killing a large number of white-bark pine trees, disrupting the food web that includes squirrels and grizzly bears. Climate change is also causing ponds to dry up, reducing the pond habitat and decimating the local amphibian population. Although the park provides protected environments for animals, it is not immune from global threats like climate change.
Students will learn how to measure length and distance using common tools. Concepts and terminology include metric ruler, meter, centimeter, and kilometer.
