-
Sep 14, 2021, 12:49 pm205 pts
ScienceDaily
At present-day, more than ten percent of all global marriages occur among first or second cousins. While cousin-marriages are common practice in some societies, unions between close relatives are discouraged in others. In a new study, researchers investigated how common close parental relatedness was in our…
Trending Today on EcoTopical
Welcome to EcoTopical Your daily eco-friendly green news aggregator.
Leaf through planet Earths environmental headlines in one convenient place. Read, share and discover the latest on ecology, science and green living from the web's most popular sites.
Leaf through planet Earths environmental headlines in one convenient place. Read, share and discover the latest on ecology, science and green living from the web's most popular sites.



![The future of electric farming is taking shape at John Deere [video]](https://electrek.co/wp-content/uploads/sites/3/2025/12/john-deere-electric.jpg?quality=82&strip=all)


![The ticket bot cometh: cities are ticketing drivers that AI says are bad [update]](https://electrek.co/wp-content/uploads/sites/3/2025/06/volvo-bus-nova-cta-copy.jpg?quality=82&strip=all)










