Wildlife catastrophe at Amazon dam a warning for future Tapajós dams

Wildlife catastrophe at Amazon dam a warning for future Tapajós dams

When the Balbina Dam was completed in 1986, it flooded primary forest in the state of Amazonas along Brazil’s Uatumã River, forming a massive reservoir speckled by 3,546 flood-induced islands. In 1990, the Reserva Biológica (REBIO) do Uatumã was established, protecting the entire 443,700 hectare (109,6427 acre) reservoir, dubbed Balbina Lake, along with the adjacent […]

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Is 20 millions tons enough? Scientists recommend plastic crackdown as oceans choke

Is 20 millions tons enough? Scientists recommend plastic crackdown as oceans choke

Every year, 20 million tons of plastic enters the world’s oceans. In 2012, the Rio +20 United Nations Conference on Sustainable Development dubbed marine plastic litter “a major environmental issue that the world must address,” and asked for management action by 2025. One group of researchers started early and was among the first to take […]

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Scientists discover single gene that enables multiple morphs in a butterfly

Scientists discover single gene that enables multiple morphs in a butterfly

Scientists have discovered the gene enabling multiple female morphs that give the Common Mormon butterfly its very tongue-in-cheek name. doublesex, the gene that controls gender in insects, is also a mimicry supergene that determines diverse wing patterns in this butterfly, according to a recent study published in Nature. The study also shows that the supergene […]

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Alpine bumblebees capable of flying over Mt. Everest

Alpine bumblebees capable of flying over Mt. Everest

The genus Bombus consists of over 250 species of large, nectar-loving bumblebees. Their bright coloration serves as a warning to predators that they are unwelcome prey and their bodies are covered in a fine coat of hair—known as pile—which gives them their characteristically fuzzy look. Bumblebees display a remarkably capable flight performance despite being encumbered […]

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