In this video, ecologist Tony Sinclair takes us through the steps of how he uncovered that the eradication of an infectious disease in cattle led to a boom in the Serengeti’s buffalo and wildebeest numbers.
Following the lead of the U.S., other nations have designated marine sanctuaries and protected areas, which now cover about 6% of the world’s oceans — a bonanza for researchers but, more importantly, an important tool for safeguarding the seas.
There’s a building boom on the Tibetan plateau, one of the world’s last remote places. The Chinese government wants to set limits on the region’s growth in order to design its own version of one of the U.S.’s proudest legacies — a national park system.
In this activity, students build a paper model of DNA and use their model to explore key structural features of the DNA double helix. This activity can be used to complement the short film The Double Helix.
In the wetlands of eastern England, a motley team of farmers, university researchers and conservationists is digging into the region’s barley and wheat fields to turn back the clock. They seek out patches of muddy earth that hint at lost ponds lurking beneath.