Jumping ‘Numts’ from Mitochondria Can Be Fast and Deadly
January 3, 2025 4 min read Bits of DNA from mitochondria can skip surprisingly fast into our genome and may reduce lifespan By Martin Picard edited by Madhusree Mukerjee Little loops floating inside this illustration of a mitochondrion represent its DNA. Kateryna Kon/Science Photo Library/Getty Images Most of us remember two things from high school
What Is the Zodiac—And What Does It Mean for You?
I’m a Libra. What does that mean? If you’re an evidence-based thinker, it means nothing. If you’re a believer in astrology, however, it means I was born at a time of the year when the sun’s influence on me (unidentifiable and uncertain and unexplainable as it is) was ruled by the Libra “sun sign,” although
166-Million-Year-Old Footprints of Carnivorous and Herbivorous Dinosaurs Discovered in UK
Paleontologists have uncovered hundreds of different dinosaur footprints, including footprints left by the 9-m (29.5-foot) ferocious predator Megalosaurus and by herbivorous dinosaurs up to twice that size, at Dewars Farm Quarry in Oxfordshire, the United Kingdom. Tracks of carnivorous and herbivorous dinosaurs at Dewars Farm Quarry in Oxfordshire, the United Kingdom. Image credit: University of
New Study Highlights Role of Gene Expression in Human Brain Evolution
University of California, Santa Barbara’s Professor Soojin Yi and colleagues aimed to determine how genes in different types of brain cells have evolved compared to those in chimpanzees. They found that, while our genes code for almost all the same proteins as other apes, many of our genes are much more productive than those of
Hainan Island’s Tea Plants Are Unique Variety of Camellia sinensis: Study
Tea (Camellia sinensis), originating in China over 3,000 years ago, has transitioned from a medicinal herb to a widely consumed beverage. Despite considerable research focusing on tea plants in southwestern China, little attention has been paid to those on Hainan Island. The notable resemblance between Hainan tea and Camellia sinensis var. assamica, alongside the unique
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