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What is taxonomy and why is it so complicated?

The classification of animal groups is essential to the development of modern biology—but it's extremely complicated. Trying to shoehorn the messy, complicated web of interrelationships that is ...

Different Types of Brain Tumors: What They Are, How They Present and What To Expect

FRIDAY, Jan. 23, 2026 (HealthDay News) — Brain tumors are abnormal growths of cells in or around the brain. They can be primary (originating in the brain) or secondary (metastatic, spreading to the ...