How did these radioactive pups defy the odds and ... radiation exposure in experiments to induce beneficial mutations in plants and animals. The dogs living in Chernobyl may be experiencing ...

AT the beginning of this century, one of the facts most intriguing to chemists was the impossibility of concentrating some of the radioactive elements. Radium D, for example, a substance well ...

This observation is explained by another key feature of stem cells that is shared between plants and animals, as explained below. The ability of stem cells to constantly generate new tissues has ...

The expeditions also revealed human-made pollutants in the Mariana Trench and Philippine Trench. Polychlorinated biphenyls (PCBs) — harmful chemicals used in electrical equipment and appliances ...

The gray wolves of Chernobyl, living in a radioactive wasteland since the ... For decades, scientists have been curious about how animals in the zone have adapted to these harsh conditions.

Orphan radioactive sources or other radioactive material are sometimes unintentionally collected as scrap metal destined for recycling. Over the past decades, there have been several accidents ...