Search Results for: Algae
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Science & Society
COVID-19 has killed a million Americans. Our minds can’t comprehend that number
We intuitively compare large, approximate quantities but cannot grasp such a big, abstract number as a million U.S. COVID-19 deaths.
By Sujata Gupta -
Oceans
Corals’ hidden genetic diversity corresponds to distinct lifestyles
Observation and DNA analysis expose identical reef corals as distinct species with unique ecologies, suggesting much greater coral biodiversity.
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Ecosystems
Trapped under ice, light-loving algae grow in the dark Arctic winter
Blocked off from nearly all light beneath a thick layer of ice and snow in the winter, marine phytoplankton in the Arctic still find a way to thrive.
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Paleontology
Fossilized dung from a dinosaur ancestor yields a new beetle species
Whole beetles preserved in fossilized poo suggest that ancient droppings may deserve a closer look.
By Nikk Ogasa -
Earth
A volcano-induced rainy period made Earth’s climate dinosaur-friendly
New physical evidence links eruptions 234 million to 232 million years ago to climate changes that let dinosaurs start their climb to dominance.
By Megan Sever -
Animals
A sea slug’s detached head can crawl around and grow a whole new body
Chopped-up planarians regrow whole bodies from bits and pieces. But a sea slug head can regrow fancier organs such as hearts.
By Susan Milius -
Life
Neon colors may help some corals stage a comeback from bleaching
When some corals bleach, they turn bright colors. Stunning hues may be part of a response that helps the corals recover and reunite with their algae.
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Animals
Elephants are dying in droves in Botswana. Scientists don’t know why
Some type of pathogen may be behind the recent deaths of 39 elephants, a new wave that follows 350 deaths last summer.
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Life
Algae use flagella to trot, gallop and move with gaits all their own
Single-celled microalgae, with no brains, can coordinate their “limbs” into a trot or fancier gait.
By Susan Milius -
Animals
A toxin behind mysterious eagle die-offs may have finally been found
A 20-year study of water weeds and cyanobacteria in the southern United States pinpoints a bird-killing toxin, and it's not your usual suspect.
By Susan Milius -
Genetics
A gene-based therapy partially restored a blind man’s vision
Light-activated proteins inserted in eye nerve cells and special goggles help the man, who lost his sight due to retinitis pigmentosa, see objects.