Modern architecture loves glass. But glass also kills tens of millions of birds every year when they collide with windows. Now, researchers are trying to learn what birds can see, in an attempt to build better, more bird-friendly buildings.
India's massive power outage last week points to a major problem for developing nations: supply is struggling to keep up with the growing demand — an imbalance that can affect the reliability of electric grids. Grid catastrophes are rare, but blackouts can be an everyday feature of life.
It's estimated that about 100,000 koalas remain in the wild as urbanization envelops their habitats along the Australian east coast. Although Australia recently put the marsupial as "vulnerable" on its endangered species list, advocates say the status doesn't give the animals maximum protection.
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