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Coral reefs face many challenges to their survival, including the global acidification of seawater as a result of rising carbon dioxide levels in the atmosphere. A new study shows that at least three Caribbean coral species can survive and grow under conditions of ocean acidification more severe than those expected to occur during this century, although the density of their skeletons was lower than normal.

Coral reefs face many challenges to their survival, including the global acidification of seawater as a result of rising carbon dioxide levels in the atmosphere. A new study shows that at least three Caribbean coral species can survive and grow under conditions of ocean acidification more severe than those expected to occur during this century, although the density of their skeletons was lower than normal.

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Researchers found a small dust concentration in the disk around TW Hydrae, the nearest young star. It is highly possible that a planet is growing or about to be formed in this concentration. This is the first time that the exact place where cold materials are forming the seed of a planet has been pinpointed in the disk around a young star.

Researchers found a small dust concentration in the disk around TW Hydrae, the nearest young star. It is highly possible that a planet is growing or about to be formed in this concentration. This is the first time that the exact place where cold materials are forming the seed of a planet has been pinpointed in the disk around a young star.

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Researchers have discovered 56 previously uncharted subglacial lakes beneath the Greenland Ice Sheet bringing the total known number of lakes to 60. Although these lakes are typically smaller than similar lakes in Antarctica, their discovery demonstrates that lakes beneath the Greenland Ice Sheet are much more common than previously thought.

Researchers have discovered 56 previously uncharted subglacial lakes beneath the Greenland Ice Sheet bringing the total known number of lakes to 60. Although these lakes are typically smaller than similar lakes in Antarctica, their discovery demonstrates that lakes beneath the Greenland Ice Sheet are much more common than previously thought.

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Students think it is instructors' responsibility to ensure they don't surf the web in class, according to a new study.

Students think it is instructors' responsibility to ensure they don't surf the web in class, according to a new study.

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Scientists discover a connection between lightning strikes and two kinds of gamma-ray phenomena in thunderclouds. The research suggests that in certain conditions, weak gamma-ray glows from thunderclouds may precede lightning bolts and their accompanying gamma-ray flashes.

Scientists discover a connection between lightning strikes and two kinds of gamma-ray phenomena in thunderclouds. The research suggests that in certain conditions, weak gamma-ray glows from thunderclouds may precede lightning bolts and their accompanying gamma-ray flashes.

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Archaeologists working in two Italian caves have discovered some of the earliest known examples of ancient humans using an adhesive on their stone tools -- an important technological advance called 'hafting.'

Archaeologists working in two Italian caves have discovered some of the earliest known examples of ancient humans using an adhesive on their stone tools -- an important technological advance called 'hafting.'

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A robotic gripping arm that uses engineered bacteria to 'taste' for a specific chemical has been developed by engineers. The gripper is a proof-of-concept for biologically-based soft robotics.

A robotic gripping arm that uses engineered bacteria to 'taste' for a specific chemical has been developed by engineers. The gripper is a proof-of-concept for biologically-based soft robotics.

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Each year, soft robots gain new abilities. They can jump, squirm, and grip. Unlike hard robots, they can handle tomatoes without bruising the fruit, resurface unscathed after being run over by a car, and journey through radiation, disaster zones, and outer-space with few scars. Now, a new invention gives soft robots the ability to roll, undulate, sort, meter liquids, and swallow. Customizable designs could find use in labs, hospitals, and even inside the human body.

Each year, soft robots gain new abilities. They can jump, squirm, and grip. Unlike hard robots, they can handle tomatoes without bruising the fruit, resurface unscathed after being run over by a car, and journey through radiation, disaster zones, and outer-space with few scars. Now, a new invention gives soft robots the ability to roll, undulate, sort, meter liquids, and swallow. Customizable designs could find use in labs, hospitals, and even inside the human body.

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Hand hygiene is a critical component of infection prevention in hospitals, but the unintended consequences include water splashing out of a sink to spread contaminants from dirty faucets according to new research.

Hand hygiene is a critical component of infection prevention in hospitals, but the unintended consequences include water splashing out of a sink to spread contaminants from dirty faucets according to new research.

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Researchers have studied which genes are expressed in overactive immune cells in mice with asthma-like inflammation of the airways. Their results suggest that the synthesis and breakdown of fats plays an important part in the process.

Researchers have studied which genes are expressed in overactive immune cells in mice with asthma-like inflammation of the airways. Their results suggest that the synthesis and breakdown of fats plays an important part in the process.

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