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marine biology

A dolphin with a fungal infection on its dorsal fin

Life

Rubbing against coral seems to be a popular skin treatment in dolphins

Bottlenose dolphins appear to seek out certain corals and sponges that produce compounds with antibacterial or hormone-like properties

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Vaquita or Gulf of California Harbor Porpoise (Phocoena sinus), caught as by-catch, Baja California, Mexico, critically endangered species

Life

Vaquitas could breed their way back from the brink of extinction

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Huge flightless swan roamed the ancient seas with a cradle on its back

Life

Huge flightless swan roamed the ancient seas with a cradle on its back

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200 million year old deposits of the precursor of the Mediterranean Sea have been preserved in the Swiss High Alps. Whale-sized ichthyosaurs came from the open sea only occasionally into shallower water.

Life

Ichthyosaur tooth from the Swiss Alps is largest ever discovered

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How the ‘blue acceleration’ is supercharging ocean exploitation

Environment

How the ‘blue acceleration’ is supercharging ocean exploitation

Features

Anchovies

Life

Anchovies stirring up the sea may be influencing ocean mixing

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Jim Al-Khalili portrait

Video

Jim Al-Khalili: How to live a more rational, scientific life

Video

A cluster of deep sea octopus Muusoctopus robustus at Davidson Seamount, off California.

Life

Deep-sea ‘octopus garden’ has warm water that speeds egg hatching

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E. coli bacterium. Coloured transmission electron micrograph (TEM) of an Escherichia coli (E. coli) bacterium in the early stages of binary fission, the process by which the bacterium divides. This Gram-negative bacillus (rod-shaped) bacterium normally inhabits the human intestines. Under certain conditions it may undergo rapid division, which increases its numbers to such an extent that it causes infection. E. coli cause 80% of all urinary tract infections, travellers' diarrhoea and gastroenteritis in children. The hair-like appendages around the bacterium are pili, structures used for bacterial conjugation. Magnification: x17,500 at 6x7cm size.

Life

Nanoparticles can translate chemical signals from bacteria to yeast

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CT2DTA Sperm Whale, Physeter macrocephalus, Caribbean Sea, Dominica

Life

¿ìè¶ÌÊÓƵs want to restore the oceans with artificial whale poo

Experiments will soon explore ways to emulate the fertilising effect of whale waste, which fuels blooms of algae that feed fish and lock away carbon

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Technology

DNA computer could tell you if your drinking water is contaminated

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Technology

RoboKrill is a one-legged robot that mimics the way krill swim

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Life

Unusual anglerfish glows with bioluminescent and fluorescent light

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