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By Deborah Zabarenko WASHINGTON (Reuters) - The world's oceans are turning acidic at what could be the fastest pace of any time in the past 300 million years, even more rapidly than during a monster emission of planet-warming carbon 56 million years ago, scientists said on Thursday. Looking back at that bygone warm period in Earth's history could offer help in forecasting the impact of human-spurred climate change, researchers said of a review of hundreds of studies of ancient climate records published in the journal Science. Quickly acidifying seawater eats away at coral reefs, which provide habitat for other animals and plants, and makes it harder for mussels and oysters to form protective shells.

Be a little vulnerable, show a little interest in your employees' lives and listen to what they think. It's basic, human stuff. Which is the whole point

Sometimes, the best way to improve something is to begin again from scratch. Even if it's your top-selling product. In 2004, 37signals, the software company I co-founded, released a Web-based project-management and collaboration tool called Basecamp.

The Kepler spacecraft has hit an unexpected obstacle as it patiently watches the heavens for exoplanets: too many rowdy young stars. The orbiting probe detects small dips in the brightness of a star that occur when a planet crosses its face. But an analysis of some 2,500 of the tens of thousands of Sun-like stars detected in Kepler's field of view has found that the stars themselves flicker more than predicted, with the largest number varying twice as much as the Sun