How birds evolved big brains: Brain evolution traced from tyrannosaurs to modern crows 

Evolutionary biologists and paleontologists have reconstructed the evolution of the avian brain using a massive dataset of brain volumes from dinosaurs, extinct birds like Archaeopteryx and the great auk, and modern birds.

Source: How birds evolved big brains: Brain evolution traced from tyrannosaurs to modern crows — ScienceDaily

‘Designer virus’ is first new oral polio vaccine in 50 years: Phase 1 trial shows promise for completion of stalled eradication effort; offers lessons for COVID-19 vaccine development — ScienceDaily

Virologists report promising Phase 1 clinical results for the first new oral polio vaccine in 50 years, which they have designed to be incapable of evolving the ability to cause disease in humans.

Source: ‘Designer virus’ is first new oral polio vaccine in 50 years: Phase 1 trial shows promise for completion of stalled eradication effort; offers lessons for COVID-19 vaccine development — ScienceDaily

Researchers identify cells likely targeted by COVID-19 virus: Study finds specific cells in the lungs, nasal passages, and intestines that are more susceptible to infection 

Researchers have identified specific types of cells that appear to be the targets of the SARS-Cov-2 coronavirus that is causing the Covid-19 pandemic.

Source: Researchers identify cells likely targeted by COVID-19 virus: Study finds specific cells in the lungs, nasal passages, and intestines that are more susceptible to infection — ScienceDaily

We Won’t Stop COVID-19 with “Chickenpox Parties”

Thumbing their noses at both government directives and the coronavirus, right-wing protestors have been massing at state capitols in Michigan, Minnesota, Virginia, and Texas to demand the lifting of stay-at-home orders issued by Democratic governors. President Donald Trump has responded in a way that looks a whole lot like a call to insurrection. On April 17, Trump tweeted “LIBERATE MICHIGAN,” “LIBERATE MINNESOTA,” and ‘LIBERATE VIRGINIA,” apparently mistaking those states for Paris in 1944. More

Source: We Won’t Stop COVID-19 with “Chickenpox Parties” – CounterPunch.org