Why do some people live a long and healthy life, while others suffer from age-related diseases? We know that this difference is usually explained by chance or environmental factors, such as diet and living conditions. But that's not all! We should also consider another important... click to read more

The distribution of the present-day native Brazilian peoples considerably differs from the one found by Portuguese explorers in the 15th century. At the time, a third of the Brazilian native population (about 900,000) lived on the Atlantic coast and were part of complex societies. Most... click to read more

Parental care is an altruistic behavior broadly observed in nature. Altruistic parents provide their offspring with food and protection. These are costly behavior for parents, that are beneficial for the offspring's development and survival. However, parents can also be selfish. Selfish parents are interested in... click to read more

It's easy to see how certain traits can be linked back to your genetics, such as your hair color or height. It's also undeniable that some mental health disorders, such as schizophrenia, have a strong genetic link. More recently, substance use disorder - a category... click to read more

For at least 10,000 years, approximately 90% of humans have preferred using the right hand over the left. The question of why about one in ten people are left-handed has fascinated scientists for centuries, but no clear answer has yet emerged. We already knew that genetic... click to read more