Science & Technology

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Find your binoculars and fill up the bird feeders, because the Great Backyard Bird Count starts today.

The annual event invites bird-watchers of all levels to count the birds in their backyards, wherever that may be, and submit the data to the Cornell Lab of Ornithology and the National Audubon Society, which launched the project in 1998.

On Thursday, researchers announced the discovery of gravitational waves --wrinkles in the very fabric of space-time.

But behind the headlines and news conferences were decades of hard work, hundreds of scientists and more than a billion dollars in taxpayer funds.

In India, Facebook has a program to give people free Internet access — just to use Facebook and a handful of other services. Earlier this week, regulators in that country ruled that the program is discriminatory to other websites and is illegal. A Facebook board member took to Twitter to criticize the ruling. And in so doing, he sparked a global controversy.

It got ugly.

Exactly 15 months after it completed a seemingly impossible journey to land on the surface of a comet, the Philae lander now faces "eternal hibernation," as officials at the European Space Agency say the craft doesn't get enough sunlight to power its batteries.

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