Diane Pollard
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14 hours ago · Biodiversity. An example of the biodiversity of fungi in a forest in North Saskatchewan (in this photo, there are also leaf lichens and mosses ). Biodiversity (or biological diversity) is the variety and variability of life on Earth. It can be measured on various levels. There is for example genetic variability, species diversity, ecosystem ...
14 hours ago · Science is a rigorous, systematic endeavor that builds and organizes knowledge in the form of testable hypotheses and predictions about the world. Modern science is typically divided into three major branches: the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; the social sciences (e.g., economics, psychology, and sociology), which study individuals ...
1 hour ago · FREETOWN, Sierra Leone (AP) — A bill that bans child marriage in Sierra Leone has been signed into law, President Julius Maada Bio said late Tuesday, in an effort to protect girls in the West ...
