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Science & Nature

The physical and natural world, from mathematics and matter to living systems and the universe.

Latest in Science & Nature

Animals and birds

Harbor Seals: Coastal Survivors

Harbor seals (scientifically known as Phoca vitulina) are fascinating marine mammals found along the coastlines of the Northern Hemisphere. Known for their adaptability to…

Animals and birds

Pelicans vs. Flamingos

Pelicans and flamingos are two of the most distinctive and iconic bird species in the avian world, each with unique characteristics that set them…

Scientific questions

Activated Sludge Process

Activated Sludge: A Comprehensive Overview Activated sludge is a biological process used in wastewater treatment to remove organic matter, nutrients, and other pollutants from…