
Low-oxygen 'dead zones' in North Pacific linked to past ocean-warming events
A new study has found a link between abrupt ocean warming at the end of the last ice age and the sudden onset of low-oxygen, or hypoxic conditions that led to vast marine dead zones.
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Fish skin provides invisibility in open ocean
Scientists have solved a longstanding mystery about how some fish seem to disappear from predators in the open waters of the ocean, a discovery that could help materials scientists and military tech ... more
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'The war of tomorrow will begin in space': Macron
UN watchdog calls on Iran to urgently allow 'long overdue' uranium stockpile verification
How drones are altering contemporary warfare
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Clues emerge about the earliest known Americans
Stone tools, cooked animal and plant remains and fire pits found at the Monte Verde site in southern Chile provide greater interdisciplinary evidence that the earliest known Americans - a nomadic pe ... more
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Children study under open skies as quake rocks education in Pakistan
Ishtiaq Khalid is having a snow day, forced to stay home from his school in the Pakistani district of Shangla due to inclement weather - but unlike most 12-year-olds, he is not happy about it. ... more
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Tahiti pearls, mainstay of French Polynesian economy, endangered
The black pearl of Tahiti is at the heart of French Polynesia's economy but is now highly vulnerable to climate change, and its fragile existence underlines - in a small but exquisite way - what is at stake in UN climate talks starting in Paris this month. ... more
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Over half of world's primates on brink of extinction: experts
More than half the world's primates, including apes, lemurs and monkeys, are facing extinction, international experts warned Tuesday, as they called for urgent action to protect mankind's closest living relatives. ... more
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Chinese journalist, 71, appeals seven year jailing
A jailed 71-year-old Chinese journalist appealed Tuesday against her seven year sentence, which triggered worldwide condemnation, as lawyers said China had imprisoned two other activists. ... more
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