The world's longest-living vertebrates maintain their vision for centuries. Breakthroughs, discoveries, and DIY tips sent every weekday. The Greenland shark () is well-known for its impressive lifespan. Marine biologists believe the world's longest-living vertebrate often reaches over 400 years old, and possibly lives even longer. But while the shark isn't known for its vision, a lot could be learned from the deep-sea predator's eyes. According to new research recently published in the journal, the Greenland shark retained its visual organs throughout millions of years of evolution for a reason.

Wisdom has been laying eggs since the Eisenhower Administration. Breakthroughs, discoveries, and DIY tips sent every weekday. One of the world's most famous birds has returned to her nesting site. Wisdom, the 75-year-old albatross is known as the world's oldest breeding bird . Earlier this month, she returned to Midway Atoll National Wildlife Refuge in the central Pacific Ocean for the 2025-2026 nesting season.