Technology

The skeleton of a man who lived in the southern tip of Africa 2,330 years ago sheds new light on our past as humans and our common genetic ancestor.

Water, that element so important for the achievement of life, may be more widespread in the universe than scientists thought. Now, a new study by the Carnegie Institute in Washington (USA) concludes that half of the water in our solar system was formed long before the appearance of the Sun. This means that there may be water everywhere and there may also be life.

One of the great challenges of paleontology is to know how multicellular life could have sprung up from simple unicellular beings, such as bacteria.

Salamanders are the only known vertebrates capable of regenerating a lost limb, a faculty that they retain even when they have reached maturity.

At least mathematically. This is the controversial conclusion of the study presented by researcher Laura Mersini-Houghton of the College of Arts and Sciences at the University of North Carolina in Chapel Hill (USA) and whose approach was already published last June in the journal Physics Letters B.

According to a genetic study carried out by German researchers at the Max Planck Institute for Evolutionary Anthropology in Leipzig, female populations have been more numerous than male populations throughout human history.

An international team of scientists led by exoplanet expert Drake Deming from the University of Maryland (USA), has detected water vapor in the atmosphere of an exoplanet that is four times larger than Earth (that is, similar to Neptune). , with a mass of 26 times that of our planet and located in the Constellation of Cygnus about 124 light years away.

The prestigious journal Science has just published a ranking with the most followed scientists on the popular blue bird social network. However popularity and scientific eminence do not always have to go hand in hand. To differentiate it, they have created the so-called 'Kardashian index'.