Short Wave Did Spiders' Ancestors Come From The Ocean?
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Jul 25, 2025 Discover the surprising evolutionary history of spiders, revealing that their ancestors may have originated in the ocean rather than on land. Dive into groundbreaking studies on fossilized marine arthropods and their similarities to modern arachnids. Explore the intriguing connections between maternal age and child gender ratios, and learn about the phenomenon of sex clustering in large families. Plus, uncover the celestial wonders of star clusters and their growth patterns in the night sky.
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Arachnid Ancestors From Ocean
- The ancestors of spiders and scorpions may have originated in the ocean much earlier than previously thought.
- Fossil evidence shows brain structures in marine arthropods similar to modern arachnids, pushing back their evolutionary timeline.
Complexity of Fossil Brain Studies
- Examining fossil brains is complex and interpretations may be uncertain.
- Confirming marine origins for arachnids raises many questions about their evolutionary history.
Star Clusters Show Stellar Life Stages
- Star clusters in Orion and Taurus represent different life stages of stellar evolution.
- Advanced computer simulations now accurately model star cluster dynamics over hundreds of millions of years.