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Posts Tagged ‘biology’

This newly discovered cannabis compound is possibly 30 times more powerful than THC

Researchers identified a phytocannabinoid in Cannabis sativa that they say could be 30 times more powerful than THC, at least in their lab results. The scientists from Italy's University of Modena and Reggio Emilia and their colleagues found that in their in vitro tests, tetrahydrocannabiphorol (THCP) showed an attraction to the nervous system's cannabinoid (CB1) ...

Incredible microscope video of an otherworldly green algae colony

First discovered in 1700 by Antonie van Leeuwenhoek, the microscopic spheres in this video are Volvox, a genus of chlorophyte green algae. If you enjoy this video, its creator Shigeru Gougi posts absolutely astounding microscopy images on his Flickr stream. Want to explore the Volvox realm yourself? From Microbehunter Microscopy:

Microscopists who are interested ...

How cows use their unique voices to cowmoooonicate

For five months, University of Sydney PhD student Alexandra Green spent time in the field, literally, with 18 Holstein-Friesian heifers, recording and studying their sounds. While it's been known that cow moms and calves use unique vocalizations with one another, Green confirmed that cattle "also maintain individual voices in a variety of emotional situations," from ...

*** pheromone named after a character in Jane Austen’s “Pride and Prejudice” changes mice brains

Darcin is a pheromone found in the ***** of male mice. It's used to mark territory and signal mating availability, and was named after the character Mr. Darcy who appears in Jane Austin's Pride and Prejudice. In the new issue of Nature, researchers at Columbia University report on how darcin "takes hold in the brains ...

Newly discovered sharks that walk are the “youngest” shark species on Earth

Some species of sharks have evolved to literally walk along the ocean floor (no, not on land) using their fins as feet. New research Conservation International’s Mark Erdmann and colleagues determined that walking sharks only evolved their unique capability 9 million years ago, "making them the 'youngest' sharks on our planet." Of course, a ...

23andMe co-founder’s new startup, Precise.ly, brings genomics to India through Narayana partnerhsip

Precise.ly, the new genomics startup launched by 23andMe co-founder Linda Avey and Aneil Mallavarapu, is taking its spin on direct to consumer personalized genomics to India through a partnership with Naryana Health, one of India’s leading specialty hospital networks. Narayana, a company that operates a network of 24 hospitals serving 2.5 million patients, is one ...

Sequencing an anciet girl’s genome from a 5,700-year-old piece of chewing gum

Almost 6,000 years ago on the island of Lolland, Denmark, a young girl disposed of her chewing gum. Now, University of Copenhagen researchers have used that gum, made from birch pitch, to sequence the girl's full genome. From Science:

The child had black hair, blue eyes, and dark skin, and was more closely related to ...

You’ve heard of CRISPR, now meet its newer, savvier cousin CRISPR Prime

CRISPR, the revolutionary ability to snip out and alter genes with scissor-like precision, has exploded in popularity over the last few years and is generally seen as the standalone wizard of modern gene-editing. However, it’s not a perfect system, sometimes cutting at the wrong place, not working as intended and leaving scientists scratching their heads. ...

UK biotech startup Mogrify injects $16M to get novel cell therapies to market soon

Cambridge, UK-based biotech startup Mogrify, which is working on systematizing the development of novel cell therapies in areas such as regenerative medicine, has closed an initial $16 million Series A. The raise follows a $4M seed in February — taking its total raised to date to $20M. Put simply, Mogrify’s approach entails analysis of vast ...

An unintended consequence of New York’s new clean water is a return of destructive marine borers

"Shipworms" are a menace, devouring the wood in ships and docks. For a while, as the New York Times explains, the pollution in New York harbor actually had some benefit in fighting them:

By the 1960s, the waters had become overrun with raw sewage and oil and chemicals discharged by factories. “Industries were using the ...