Discover and read the best of Twitter Threads about #evolutionarybiology

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Dreadnoughtus!!! 馃

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

Dreadnoughtus schrani聽was discovered (2014) in southern Patagonia, Argentina 馃嚘馃嚪 and is thought to be the largest 馃弳 terrestrial animal to have ever walked the planet (i.e., it possesses the greatest mass of any land animal that can be calculated 馃М with...

...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 馃搹 and may have weighed about 59 metric tons 鈿栵笍 (image source: Wikimedia Commons) -...

Read 42 tweets
Me pidieron hilos sobre inmuno b谩sica as铆 que va lo b谩sico de lo b谩sico...


Nuestro sistema de defensa es exquisitamente complejo, esta complejidad se desarroll贸 a lo largo de millones de a帽os y contin煤a evolucionando


Aclaraci贸n inicial: el ser humano moderno tiene por mucho 300mil a帽os de existencia鹿 (referencias al final del 馃У), menciono millones de a帽os de evoluci贸n porque el sistema inmunitario no apareci贸 con nosotros, sino con nuestros ancestros 馃實


#Evolution #ImmuneSystem
De hecho, la inmunidad adaptativa surgi贸 hace aprox 400 millones de a帽os con los placodermos虏

En fin鈥efinamos de manera general 2 conceptos: evoluci贸n y genes

La evoluci贸n biol贸gica se refiere al cambio constante q presentan las distintas especies a lo largo del tiempo

Read 20 tweets
Daily Bookmarks to GAVNet聽12/31/2021鈥
How to Create a Health Care Crisis 鈰 Brownstone Institute鈥

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

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

#ComplexityEconomics #SantaFeInstitute #proceedings #book
Read 10 tweets

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