Science

Latest scientific discoveries and research news

APOE4 Gene Variant Linked to Scarred Brain Blood Vessels and Increased Alzheimer's Risk
Science

APOE4 Gene Variant Linked to Scarred Brain Blood Vessels and Increased Alzheimer's Risk

New research suggests the APOE4 gene variant, a major Alzheimer's risk factor, may cause scarring in brain blood vessels. This scarring, linked to reduced pericytes and increased fibronectin production, could impede amyloid-beta clearance, potentially initiating Alzheimer's pathology. The study used brain atlases and stem cell models to uncover these mechanisms.

Nature's Fierce Side: New Book Highlights 8 'Metal' Animals
Science

Nature's Fierce Side: New Book Highlights 8 'Metal' Animals

A new book, 'Nature Is Metal: It’s a Life-Eats-Life World,' explores the brutal realities of the natural world through vivid imagery and descriptions of 75 extreme species. This excerpt focuses on eight formidable animals, showcasing their predatory prowess and survival adaptations, challenging romanticized views of nature.