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Artikel-artikel mengenai Algae

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The microbiome functions as an ‘invisible organ’ but it often makes its presence known by emitting sounds and smells. (Shutterstock)

The nose knows: How microbiomes and the smells they produce help shape behaviour in bugs, birds, beasts and humans

The microbiome and its signature smells are crucial for most organisms, whether human, insect or plant. The silent signals sent by the microbiome are essential communications that influence behaviour.
Terminus of the Recherchebreen glacier in the Norwegian archipelago of Svalbard, about 760 miles from the North Pole. Arterra Picture Library/Alamy

The melting Arctic is a crime scene. The microbes I study have long warned us of this catastrophe – but they are also driving it

To fully understand the extent of climate-related dangers the Arctic – and our planet – is facing, we must focus on organisms too small to be seen with the naked eye.
Diazotroph (Trichodesmium) bloom in the Coral Sea, captured on 1 September 2019 by the Landsat 8 satellite. The interaction between the physics and biology of the ocean is manifested in these green filaments that snake through the currents. Joshua Stevens/NASA

Climate: modelling micro-algae to better understand the workings of the ocean

The ocean absorbs a quarter of the CO₂ emitted by humans, thanks in particular to phytoplankton, including diazotrophs. Knowing how to model them is crucial to understanding the ocean’s role in climate.
Algae in the St. Lawrence River. The cold waters of Québec are conducive to their growth. Shutterstock

A gourmet revival for St. Lawrence River marine algae

The abundance, versatility and quality of seaweed from the St. Lawrence makes this resource a real asset for Québec. We must now integrate it into our kitchens.
TRAPPIST-1e is a rocky exoplanet in the habitable zone of a star 40 light-years from Earth and may have water and clouds, as depicted in this artist’s impression. NASA/JPL-Caltech/Wikimedia Commons

To search for alien life, astronomers will look for clues in the atmospheres of distant planets – and the James Webb Space Telescope just proved it’s possible to do so

Life on Earth has dramatically changed the chemistry of the planet. Astronomers will measure light that bounces off distant planets to look for similar clues that they host life.
Environmental DNA is a promising tool for tracking species in freshwater ecosystems like Oregon’s Elkhorn Creek. Greg Shine, BLM/Flickr

Scientists at work: We use environmental DNA to monitor how human activities affect life in rivers and streams

Rivers are among the most embattled ecosystems on Earth. Researchers are testing a new, inexpensive way to study river health by using eDNA to count the species that rivers harbor.
For centuries, sailors have told tales of milky seas – huge swaths of ocean glowing on dark nights, seen in blue in this false–color satellite image. Steven D. Miller/NOAA

Scientists are using new satellite tech to find glow-in-the-dark milky seas of maritime lore

When conditions are just right in some parts of the Indian Ocean, a type of bacteria will multiply and start to glow. Satellites are helping scientists study these milky seas for the first time.
Crystal jellyfish contain glowing proteins that scientists repurpose for an endless array of studies. Weili Li/Moment via Getty Images

From CRISPR to glowing proteins to optogenetics – scientists’ most powerful technologies have been borrowed from nature

Three pioneering technologies have forever altered how researchers do their work and promise to revolutionize medicine, from correcting genetic disorders to treating degenerative brain diseases.

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