gutenberg_org, to books
@gutenberg_org@mastodon.social avatar

American geneticist Nettie Stevens died in 1912.

In 1905, Stevens published a pivotal paper detailing her observations on the mealworm beetle, Tenebrio molitor. She identified that male mealworms had a pair of unequal-sized chromosomes, while females had two X chromosomes. This discovery supported the theory that sex is determined by specific chromosomes, a significant advancement in the field of genetics.

Books by Nettie Stevens at PG:
https://www.gutenberg.org/ebooks/author/35315

Book cover for "Studies in Spermatogenesis (Part 1 of 2)" by N. M. Stevens, featuring an abstract geometric design in red and blue on a navy background, with the Project Gutenberg logo at the bottom.

UP8, to Futurology
@UP8@mastodon.social avatar

🦠 The GMO tooth microbe that is supposed to prevent cavities

https://arstechnica.com/?p=2018793

#biotech #biology #gmo #dental #health #teeth

tangledwing, to science
@tangledwing@ohai.social avatar

Live water mount of Hydra viridissima (freshwater cnidarian) capturing Daphnia pulex (freshwater crustacean). Dr. Stephen Lowry. University of Ulster. Darkfield.
Magnification
10x

thejapantimes, to worldnews
@thejapantimes@mastodon.social avatar

When it comes to aging, we tend to assume that cognition gets worse as we get older. But that’s not the case for everyone. Enter the "super-ager." https://www.japantimes.co.jp/news/2024/04/30/world/science-health/super-agers-brains/ #worldnews #sciencehealth #aging #elderly #biology

lentrichard, to Battlemaps
@lentrichard@ecoevo.social avatar

Ferns are unfurling along the Pierce Road in #Harvard #Forest.

#plants #ferns #botany #ecology #biology #biodiversity #massachusetts #CentralMA #nature #naturephotography #harvardforest #spring #wildmassachusetts #naturalmassachusetts #newengland #Pteridophytes

A cluster of young ferns unfurling on a forest floor covered with dry leaves, next to a pathway. A solitary stone and pinecone can also be seen.
Fiddlehead ferns emerging from the forest floor among dry leaves, with a dirt path winding through the woods in the background.

ergative, to science
@ergative@wandering.shop avatar

Hi, folks! I've got a set of nano-reviews up at Nerds of a Feather!

Live Long and Evolve: A non-fiction book by an evolutionary biologist about what life on other planets might look like, charmingly interwoven with relevant Star Trek lore.

The Extractionist: a very Cyber futurist heisty type book, which I found well constructed but somehow dull

THe Frame-Up_Magical art thieves. Perfectly fine, but not special.

http://www.nerds-feather.com/2024/04/nanoreviews-live-long-and-evolve.html

@bookstodon #bookReviews #amReading #sff #biology

nmronline, to bioinformatics
@nmronline@mstdn.science avatar

We've answered ALL of our current design and engineering aims!

We're also looking forward to talking to some influential people, and forming some great agreements.

@bioinformatics @biophysics @chemistry @compchem @nmrchat @strucbio

ScienceDesk, to science
@ScienceDesk@flipboard.social avatar

A forest in Utah made of a single tree known as Pando has 47,000 stems and has amassed 6,000 metric tons of life in its thousands of years on Earth. It’s the largest living organism on the planet in terms of mass. Naturally, something that large and old has something to say, and recordings released this year let us “hear” it like never before. More from Science Alert: https://flip.it/PSwxIA
#Science #Biology #Trees #Horticulture #Utah #Forest

floating, to science
@floating@babka.social avatar

Interesting study investigating cell-membrane ion gradients as a "nongenomic information system" informing cellular decision making.

https://phys.org/news/2024-04-cells-hidden-communication.html

#science #biology

eugenialoli, to cycling
@eugenialoli@mastodon.social avatar

We totally randomly met two riders this morning near our home, apparently they're traveling around & with bicycles. They are a & couple. We invited them at my mom's home and we all had lunch together. Apparently they are candidates in , one in and the other one in . Very interesting young people. It was a good day today.

plazi_species, to China
@plazi_species@mastodon.green avatar

!
New torrent frog from came in on :

Amolops yangi

Treatment: http://treatment.plazi.org/id/5B4E8AC7-37AD-4192-83E3-A05E49393B7B
Publication: http://doi.org/10.3897/vz.74.e108013


plazi_species, to science
@plazi_species@mastodon.green avatar

!
New planthopper from just hopped by:

Connelicita bachmaensis

Treatment: http://treatment.plazi.org/id/32D5F308-98C3-465F-85FE-C96DC1237A87
Publication: http://doi.org/10.3897/zookeys.1186.113701


plazi_species, to thailand
@plazi_species@mastodon.green avatar


New pitviper from just sidled in:

Trimeresurus kraensis

Treatment: http://treatment.plazi.org/id/AF38FFC5-F4E0-48CE-A897-8C350982625F
Publication: http://doi.org/10.5852/ejt.2024.930.2489


plazi_species, to science
@plazi_species@mastodon.green avatar

!
New sea snail from just crawled in:

Microcollonia miniata

Treatment: http://treatment.plazi.org/id/C2937537-9556-4126-A1F7-2F42FEECA6C5
Publication: http://doi.org/10.5852/ejt.2024.923.2445


plazi_species, to China
@plazi_species@mastodon.green avatar


New leaf beetle from just crawled by:

Chrysolina changbaishana

Treatment: http://treatment.plazi.org/id/E87DC5FA-8AC1-4F69-8BF8-2E20A6F24021
Publication: http://doi.org/10.25221/fee.499.1


plazi_species, to science
@plazi_species@mastodon.green avatar


New tarantula from just crept in:

Psalmopoeus pristirana

Treatment: http://treatment.plazi.org/id/03A90D54-6544-216E-FF6A-FF5EFD4DFF46
Publication: http://doi.org/10.11646/zootaxa.5437.4.3


plazi_species, to india
@plazi_species@mastodon.green avatar

!
New freshwater crab from just pinched us:

Ghatiana dvirupa

Treatment: http://treatment.plazi.org/id/6E688161-FFDD-FFC0-51B8-DEF510B0FCEE
Publication: http://doi.org/10.11646/zootaxa.5443.1.6


shekinahcancook, to evolution
@shekinahcancook@babka.social avatar

Mother nature has already decided what to develop after humans make ourselves extinct, apparently.

https://www.iflscience.com/the-once-in-an-eon-event-that-gave-earth-plants-has-happened-again-73878

tangledwing, to nature
@tangledwing@ohai.social avatar

Varied Thrush (Ixoreus naevius), males have black backs and wings, with bright orange breasts and bellies. Females are similar, but duller overall. Native to western North America. #nature #photo #biology #wildlife #birds

ScienceDesk, to animals
@ScienceDesk@flipboard.social avatar

The first glow-in-the-dark animals may have been ancient corals deep in the ocean.

AP quotes a new study's author: "Light signaling is one of the earliest forms of communication that we know of — it’s very important in deep waters.”

https://flip.it/qJ2-nM

#Animals #Ocean #Evolution #Biology #Coral #Science

bjkingape, to linguistics
@bjkingape@mastodon.online avatar

What if we DIDN'T define "language" via human-only standards? Why if we trained ourselves to see animal languages in the world? My review of Arik Kershenbaum's WHY ANIMALS TALK is up at the TLS. https://www.the-tls.co.uk/articles/why-animals-talk-arik-kershenbaum-book-review-barbara-j-king/ #language #bookreview #animalcommunication #anthropology #biology #zoology #books #bookstodon

tangledwing, to science
@tangledwing@ohai.social avatar

Eupeodes, the aphideater flies (the larvae feed on aphids) unlike mosquitoes or bees are not attracted to perfumes, but they are attracted to nectar and pollen. #biology #ecology #flowers #nature #insects #science

peterbutler, to til
@peterbutler@mas.to avatar

TIL that the strongest biological material on Earth is thought to be the teeth of the limpet snail

https://royalsocietypublishing.org/doi/10.1098/rsif.2014.1326/

#TIL #TodayILearned #Snails #Biology #Teeth

lentrichard, to Flowers
@lentrichard@ecoevo.social avatar

Red , Pierce Road, .

rayckeith, (edited ) to random
@rayckeith@techhub.social avatar

Thread by @annethegnome

"There are fungi at Chernobyl that EAT radiation and nuclear fallout – and that’s only the start of this wild story 🍄☢️

Buckle up for a wild thread about radioactive boars, fungal space suits, radiation-detecting fungi, black frogs and a good dose of hope!"

https://threadreaderapp.com/thread/1781869518958047561.html

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