Discover and read the best of Twitter Threads about #perturbation

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"The recent review article discusses the basic operation of the marine #CarbonCycle & 2 #mCDR methods that are "thought to offer the greatest potential in terms of #CDR mass:
🌊#OceanIronFertilization
&
🌊#OceanAlkalinityEnhancement."

🧡
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Various conclusions were drawn in the review which are enlisted below:

1️⃣ "The alkalinity of the ocean creates a massive increase in the ocean’s capacity to #store #carbon, relative to a scenario without #OceanAlkalinity."
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2️⃣ "Ocean warming causes decreases in both #CO2 #solubility and the Revelle factor (B), which make the ocean less efficient at #absorbing CO2."
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Read 14 tweets
Big @batsgoviral week! In @PNASNews and @ScienceAdvances we test how to prevent zoonotic #spillover by interrupting virus transmission in bat reservoirs. Short story: culls didn’t reduce spillover but altered rabies spatial spread; transmissible vaccines may be a solution. A 🧡.
First culling. Vampire bats are poisoned throughout Latin America to reduce blood feeding on humans and livestock and in hopes of preventing uniformly lethal rabies infections. Whether culls reduce rabies spillover is still controversial even after ~50 years of use.
We studied a 2 year bat cull in southern Peru where >21,000 bats were treated with a spreadable poison #vampiricide. This region suffered >1000 rabies outbreaks from 2003-2019 making a rare & statistically powerful case study to test whether bat culls reduce viral spillover.
Read 11 tweets
🧡 "#Criticality: A Balance Between #Robustness and #Adaptability"

Today's SFI Seminar by @cgershen @cgg_mx:
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Regarding systems at the #EdgeOfChaos
Identifying #PhaseTransition dynamics
Citing @WagnerEvolution on #Robustness
Contrasting it with #Chaos (fragile, hard to predict, etc.)
And then #Criticality, somewhere in the middle... ImageImageImageImage
With #criticality, due to #PowerLaw(-like) distributions:

"Most of the changes will be small, but for some, you can have large changes."

See also #fractals

Key history point: Stuart Kauffman's #random #Boolean #networks (1969!)

Updated by @cgershen in 2004 ImageImageImageImage
Read 12 tweets

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