Science Daily

1. A grad student’s wild idea sparks a major aging breakthrough

   A casual conversation between graduate students helped spark a breakthrough in aging research at Mayo Clinic. Researchers discovered that tiny synthetic DNA molecules called aptamers can selectively attach to senescent “zombie cells,” which are linked to aging, cancer, and neurodegenerative disease. The method could eventually help scientists identify and target these cells in living tissue with far greater precision.

2. A 47-year study reveals when strength and fitness start to fade

   A groundbreaking Swedish study that tracked people for nearly 50 years has revealed when the body’s physical decline quietly begins. Researchers found that fitness, strength, and muscle endurance start slipping around age 35, with the decline accelerating over time. But there’s an encouraging twist: adults who became active later in life still improved their physical performance by up to 10 percent.

3. Paleontology rocked by discovery of organic molecules in 66-million-year-old dinosaur bones

   Scientists have uncovered compelling evidence that dinosaur fossils may still contain traces of their original proteins, overturning a long-standing belief that fossilization destroys all organic material. In a remarkably well-preserved Edmontosaurus fossil from South Dakota, researchers detected remnants of collagen — the main protein found in bone — using advanced techniques including mass spectrometry and protein sequencing.

4. Who are the Japanese? Huge DNA discovery rewrites history

   Scientists analyzing the genomes of thousands of people across Japan discovered evidence for a previously overlooked third ancestral group, challenging the long-accepted “dual origins” theory. The newly identified ancestry appears linked to the ancient Emishi people of northeastern Japan. Researchers also uncovered inherited Neanderthal and Denisovan DNA connected to conditions like diabetes, heart disease, and cancer.

5. Scientists “bottle the sun” with a liquid battery that stores solar energy

   Scientists at UC Santa Barbara have created a remarkable new material that works like a “rechargeable solar battery,” storing sunlight inside tiny molecules and releasing it later as heat — even long after the sun goes down. Inspired by reversible changes found in DNA and photochromic sunglasses, the system captures solar energy without relying on bulky batteries or the electrical grid. The molecule can hold energy for years and packs more energy per kilogram than lithium-ion batteries.