Search Results - scientists

Scientists Alarmed by Unprecedented Coral Death in the Great Barrier Reef

Credit: Pixabay Australian research revealed on Tuesday that certain areas of the Great Barrier Reef have experienced the highest recorded coral mortality, with scientists concerned that other parts of the reef may have been affected in the same way. Coral Mortality and Environmental Stressors on the Great Barrier Reef However, the Australian Institute of Marine Science reported...

AI Could Contribute Millions of Tons of E-Waste, Warn Scientists

Credit: Depositphotos AI has rapidly advanced in replicating human activities, such as holding conversations, creating art, and producing videos. However, a study from the Chinese Academy of Sciences and Reichman University warns that AI could also contribute to environmental waste. With the growing popularity of generative AI like ChatGPT, researchers estimate these systems could add 1.2...

Scientists Observe Sperm Defying a Fundamental Law of Physics

Image from pixabay According to a recent study, human sperm use their slender tails to navigate through thick fluids, appearing to defy Newton's third law of motion. This research also examines the movement patterns of these sex cells alongside single-celled algae. Exploring Non-Reciprocal Interactions in Microscopic Swimmers Kenta Ishimoto, a mathematical scientist at Kyoto University, and his...

Scientists Finally Uncover What Really Happens When an Atom Splits

Credit: Pixabay The term "atom," derived from Latin for "indivisible," can be misleading. A recent simulation by U.S. theoretical physicists has provided a detailed microscopic view of how an atom splits in two, shedding light on an energetic event that has significantly impacted science and technology. In 1938, physicists Otto Hahn, Lise Meitner, and Fritz Strassmann...

Greenhouse Gas Concentrations Reach Record Levels as Scientists Raise Concerns

Credit: Pixabay In 2023, greenhouse gas concentrations in the atmosphere hit new record highs, ensuring future temperature rises for years ahead, the United Nations cautioned on Monday. The levels of the three primary greenhouse gases—carbon dioxide, methane, and nitrous oxide, which contribute to climate warming—have all risen once more over the past year, according to the...

Scientists Show How Sperm and Egg Unite Like a Key in a Lock

This microscope image provided by Osaka University and the Research Institute of Molecular Pathology in October 2024, shows the fertilization of a mouse egg marked in red and green. DNA is marked in blue, showing in the egg at the top and in a sperm cell at the bottom left. Credit: Yonggang Lu/Osaka University/IMP...

Scientists Say Eating Less Can Extend Lifespan, But There’s a Hidden Drawback

Credit: Pixabay Reducing calorie intake and regularly delaying meals could be an effective approach to extending lifespan, but there may be trade-offs. A large U.S. study involving nearly 1,000 mice indicates that while food restriction leads to metabolic changes and lower body mass, these effects could pose health risks for certain individuals. Numerous studies have consistently...

Scientists Warn About the Troubling State of Earth’s Trees

Credit: Pixabay Introduction: Iconic Trees at Risk From towering coastal redwoods to ancient Wollemi pines and firs that adorn Christmas, even the planet’s most iconic plants are facing severe issues. However, the loss of certain species won’t just endanger local forests; it will threaten entire ecosystems, as recent research indicates. In 2021, a global assessment titled "State...

Scientists Uncover How Plants Generate a Unique Molecule that Combats Stress

Credit: Pixabay A groundbreaking study has identified, for the first time, the genes that enable plants to thrive in stressful conditions, offering potential solutions for creating more sustainable food crops amid global climate change. A study led by the University of East Anglia (UEA) has uncovered the genes that allow plants to produce a novel anti-stress...

Two Scientists Won the Nobel Prize in Physics for Discoveries Enabling Machine Learning

John Hopfield and Geoffrey Hinton, seen in picture, are awarded this year's Nobel Prize in Physics, which is announced at a press conference by Hans Ellergren, center, permanent secretary at the Swedish Academy of Sciences in Stockholm, Sweden Tuesday Oct. 8, 2024. Credit: Christine Olsson/TT News Agency via AP John Hopfield and Geoffrey Hinton, two...