Oldest archery proof outside of Africa found in Sri Lanka, dates back 48,000 yrs

Researchers said they have discovered the earliest known evidence of bow-and-arrow usage by prehistoric humans outside of Africa, in a Sri Lankan cave. They said the discovered fragments of arrowheads, made from bones, were likely used to hunt difficult-to-catch rainforest prey like squirrels, about 48,000 years ago. The oldest known evidence for bone-and- arrow use was unearthed in South Africa.
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New species of 'orange and black' bat discovered in West Africa

A new species of orange and black bat from the Nimba Mountains in West Africa has been discovered by scientists from the American Museum of Natural History and Bat Conservation International. The species has been named Myotis nimbaensis in recognition of the Guinea mountain range it inhabits. "It has this bright-orange fur.it was so distinct," said scientist Winifred Frick. Continue...

Frontier of Dreams: Revolutionizing Healthcare: AI and the Future of Patient Care

Frontier of Dreams: Revolutionizing Healthcare: AI and the Future of Patient Care Chapter 1: The Pulse of Progress – Why AI Matters in Healthcare Introduction: A New Era Dawns Healthcare is standing at the threshold of a revolutionary transformation. Artificial intelligence (AI) is not merely a technological upgrade; it is a paradigm shift that redefines how we approach diagnosis, treatment, and patient engagement. This chapter lays the foundation for understanding AI's relevance, power, and promise in today’s healthcare landscape. Main Points 1. The Data-Driven Shift: The digital revolution has flooded healthcare with vast amounts of data. AI transforms this raw information into actionable intelligence, helping clinicians make faster and more accurate decisions. 2. Limitations of Traditional Models: Human limitations such as fatigue, oversight, and processing constraints hinder healthcare delivery. AI's computational power overcomes these boundaries, offering consistent pe...

Climate change turning clear mountain lakes green in US: Researchers

Researchers have suggested that global warming is turning clear mountain lakes green in western US because of an increase in algae blooms "without historical precedent". They found the concentration of algae in two remote mountain lakes more than doubled in the past 70 years. On examining algae concentrations in some lakes, researchers found "dramatic changes" in algal abundance. Continue...

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