The galaxy SPT0418-47 was already a gigantic and stable object 1.4 billion years ago, 4.5 billion years earlier than would be expected
The effects of other viruses that cause colds stimulate an immune system response in a percentage of the population that would range from a minimum of 20% to 80%
The analysis of hair isotopes allows us to reconstruct people's diet and also whether they live in an expensive neighborhood or how much a hairdresser costs them.
A study of thousands of species shows that the transformation of wild lands for cultivation benefits a few animals that harbor many pathogens with the potential to jump to humans
The bone cancer found is the oldest case described in this type of animal. Studies like this show that this disease has been killing living beings for tens of millions of years.
The first inhabitants of the continent risked their lives by entering caves for hundreds of meters in search of red ocher, an essential pigment in the evolution of symbolic thought.
Manel Juan, head of Immunology at the Hospital Clínic of Barcelona, considers that immunization against the coronavirus is durable and that there may be an immune population due to exposure to other viruses.
The star is 11 light years from Earth, a distance that would allow the atmospheres of its planets to be studied in search of signs of life.
Threats such as nuclear war or climate change can cause extreme suffering to humanity, but are unlikely to cause extinction.
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The ultra-rich drive the space race through companies with their own space programs and as tourists who see these trips as the latest exclusive product
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