How did the building blocks of life arrive on Earth? Researchers have used the chemical fingerprints of zinc contained in meteorites to determine the origin of volatile elements on Earth. The results suggest that without ‘unmelted’ asteroids, there may not…
Billions of years of evolution have made modern cells incredibly complex. Inside cells are small compartments called organelles that perform specific functions essential for the cell’s survival and operation. For instance, the nucleus stores genetic material, and mitochondria produce energy.…
Notre espèce, Homo sapiens, a évolué en Afrique pendant des centaines de milliers d’années. Maintenant, nous commençons à comprendre comment Sous notre peau, nous sommes tous des Africains. C’est la conclusion simple et récente des scientifiques qui étudient les origines…
