When does a second COVID surge end? Look at the maths

Mathematicians have developed a framework to determine when regions enter and exit COVID-19 infection surge periods, providing a useful tool for public health policymakers to help manage the coronavirus pandemic.

Chromium steel was first made in ancient Persia

Chromium steel—similar to what we know today as tool steel—was first made in Persia, nearly a millennium earlier than experts previously thought, according to a new study led by UCL researchers.

Neandertals have adopted male sex chromosome from modern humans

In 1997, the very first Neandertal DNA sequence—just a small part of the mitochondrial genome—was determined from an individual discovered in the Neander Valley, Germany, in 1856. Since then, improvements in molecular ...

Dino teeth research prove giant predatory dinosaur lived in water

A discovery of more than a thousand dinosaur teeth, by a team of researchers from the University of Portsmouth, proves beyond reasonable doubt that Spinosaurus, the giant predator made famous by the movie Jurassic Park III ...

Who's Tweeting about scientific research? And why?

Although Twitter is best known for its role in political and cultural discourse, it has also become an increasingly vital tool for scientific communication. The record of social media engagement by laypeople is decoded by ...

Wild birds as offerings to the Egyptian gods

Millions of ibis and birds of prey mummies, sacrificed to the Egyptian gods Horus, Ra or Thoth, have been discovered in the necropolises of the Nile Valley. Such a quantity of mummified birds raises the question of their ...

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