Discover and read the best of Twitter Threads about #evolutionarybiology

Most recents (6)

Dreadnoughtus!!! 🦕

I like sauropods (long-necked dinosaurs) in general, as these Mesozoic puzzles 🧩 pushed evolutionary innovation to the extreme, & even the simplest aspects of their biology are confounding, oft-debated subjects. A thread 🧵 highlighting few of those.

(1/n)
Dreadnoughtus schrani was discovered (2014) in southern Patagonia, Argentina 🇦🇷 and is thought to be the largest 🏆 terrestrial animal to have ever walked the planet (i.e., it possesses the greatest mass of any land animal that can be calculated 🧮 with...

(2/n)
...reasonable certainty). This colossal sauropod flourished during the Late Cretaceous Epoch (100.5 million to 66 million years ago). It was about 26 m (85 feet) long 📏 and may have weighed about 59 metric tons ⚖️ (image source: Wikimedia Commons) -...

(3/n)
Read 42 tweets
Me pidieron hilos sobre inmuno básica así que va lo básico de lo básico...

¿DE DÓNDE SALIÓ EL SISTEMA INMUNITARIO HUMANO? 🧐

Nuestro sistema de defensa es exquisitamente complejo, esta complejidad se desarrolló a lo largo de millones de años y continúa evolucionando

🧵👇🏼

1/19
Aclaración inicial: el ser humano moderno tiene por mucho 300mil años de existencia¹ (referencias al final del 🧵), menciono millones de años de evolución porque el sistema inmunitario no apareció con nosotros, sino con nuestros ancestros 🌍

2/19

#Evolution #ImmuneSystem
De hecho, la inmunidad adaptativa surgió hace aprox 400 millones de años con los placodermos²

En fin…definamos de manera general 2 conceptos: evolución y genes

La evolución biológica se refiere al cambio constante q presentan las distintas especies a lo largo del tiempo

3/19
Read 20 tweets
Daily Bookmarks to GAVNet 12/31/2021 greeneracresvaluenetwork.wordpress.com/2021/12/31/dai…
How to Create a Health Care Crisis ⋆ Brownstone Institute

brownstone.org/articles/how-t…

#PublicHealth, #HealthCareSystem, #PandemicResponse
The Risk of Vaccinated COVID Transmission Is Not Low - Scientific American

scientificamerican.com/article/the-ri…

#COVID19, #transmissibility, #vaccinations, #InfectionRisk
Read 15 tweets
Daily Bookmarks to GAVNet 04/10/2021 greeneracresvaluenetwork.wordpress.com/2021/04/10/dai…
Complexity Economics: Proceedings of the Santa Fe Institute's 2019 Fall Symposium (Dialogues of the Applied Complexity Network)

jasss.soc.surrey.ac.uk/24/2/reviews/3…

#ComplexityEconomics #SantaFeInstitute #proceedings #book
Read 10 tweets

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