These are common problems involving what must be one of the most majestic freshwater tropical fish in the hobby ... associated with pairs of angels in a community tank. The angelfish is a member of ...

Freshwater ecology is the study of all aspects of the ecology of terrestrial aquatic systems, including rivers, lakes and ponds. It includes the community ecology of these ecosystems, as well as ...

A new species of hominin or humans has been discovered in Northern China with an unforgettable physical feature— large heads. Everyone knows the Neanderthals, homo sapiens, and Denisovans are ...

Sweet orange trees originated in China and grow in the United States, Mexico, and Spain. Orange varieties include navel oranges, blood oranges, Valencia oranges, clementines, and tangerines. These ...

This drop coincided with a 2014 to 2016 period of El Niño warming. Scientists typically expect freshwater levels to rebound after the climate oscillation ends, but satellite measurements ...

From machine learning and deep learning to generative AI and natural language processing, different types of AI models serve various use cases—for example, automating tasks, developing better ...

The US Fish and Wildlife Service proposed listing many giraffe species as either endangered or threatened. It’s the first time the long-necked mammals, native to Africa, would receive federal ...