What did the very first proteins look like — those that appeared on Earth around 3.7 billion years ago? Prof. Scientists have reconstructed protein sequences that may well resemble those ancestors of modern proteins, and their research suggests a way that these primitive proteins could have progressed to forming living cells.
New research suggests that the first dinosaurs laid soft-shelled eggs — a finding that contradicts established thought. The study analyzed the eggs of two vastly different non-avian dinosaurs and found that they resembled those of turtles in their microstructure, composition, and mechanical properties. The research also suggests that hard-shelled eggs evolved at least three times independently in the dinosaur family tree.
Researchers have discovered antibodies in the blood of recovered COVID-19 patients that provide powerful protection against SARS-CoV-2, the coronavirus that causes the disease, when tested in animals and human cell cultures.
Source: Super-potent human antibodies protect against COVID-19 in animal tests: Scientists isolate powerful coronavirus-neutralizing antibodies from COVID-19 patients and successfully test in animals — ScienceDaily
While humans have three color cones in the retina sensitive to red, green and blue light, birds have a fourth color cone that can detect ultraviolet light. A research team trained wild hummingbirds to perform a series of experiments that revealed that the tiny birds also see combination colors like ultraviolet+green and ultraviolet+red.
A crude understanding of physics sees determinism at work in the Universe. Luckily, molecular uncertainty ensures this isn’t so
Why do some people infected with the coronavirus suffer only mild symptoms, while others become deathly ill?Geneticists have been scouring our DNA for clues. Now, a study by European scientists is the first to document a strong statistical link between genetic variations and Covid-19, the illness caused by the coronavirus.
Humans are causing a mass extinction. And humans can stop it.