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Issue # 299 _ January 2021
Notes
COVID-19
First cases of reinfection confirmed in Brazil
COVID-19
Butantan develops serum for the novel coronavirus
COVID-19
Unequal access
COVID-19
Australia gives up on vaccine candidate
COVID-19
Vaccines and sharks
Zoology
Sound absorbing wings
Notes
Ten people who made a difference in 2020
Medicine
Microneedles to treat cancer
Astronomy
Space 1.6 million years from now
Anthropogenic mass
The weight of human production
Hayabusa2
Successful return
Paleontology
The oldest and largest blind snake
Biochemistry
Anti-predator chemical shield
Biology
Underground dispute
