Seabirds starve in stormy 'washing machine' waves: study

Thousands of seabirds that wash up on Atlantic coasts every year could have been starved to death by cyclones that whip up "washing machine" waves, a new study says, with experts warning the phenomenon could worsen with climate ...

Chlorophyll fluorescence illuminates plant function

Chlorophyll, the green pigment found in plants and algae, emits faint red and far-red light when illuminated during photosynthesis. This so called chlorophyll-a fluorescence conveys information about the instantaneous rate ...

Virgin Galactic rocket ship ascends from New Mexico

Virgin Galactic on Saturday made its first rocket-powered flight from New Mexico to the fringe of space in a manned shuttle, as the company forges toward offering tourist flights to the edge of the Earth's atmosphere.

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