Pandhurnekar, C. P., Pandhurnekar, H. C., Mungole, A. J., Butoliya, S. S. & Yadao, B. G. A review of recent synthetic strategies and biological activities of isoxazole. J. Heterocycl. Chem. 60, 537–565 (2023). Article CAS Google Scholar Ganesh, B. H. et al. Pyrrole: a decisive scaffold for the development of therapeutic agents and structure–activity relationship.
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Explanation: Like an illustration in a galactic Just So Story, the Elephant’s Trunk Nebula winds through the emission region and young star cluster complex IC 1396, in the high and far off constellation of Cepheus. Also known as vdB 142, this cosmic elephant’s trunk is over 20 light-years long. The detailed telescopic view features the
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Weeping willow trees are found in many cities globally.Credit: avada/Alamy Across Beijing, millions of weeping willows and poplar trees turn the megacity into a green metropolis. But compounds released by these trees are becoming a major contributor to air pollution1, finds a study. Beijing is not alone. Many trees planted in urban areas — species
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Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy. You may unsubscribe at any time. Scent marks the
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Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy. You may unsubscribe at any time. Say hello to
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Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy. You may unsubscribe at any time. The Milky Way
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