After a year of fastidious planning, a microscopic sample of the ultra-rare radioactive element berkelium arrived at a ...

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With 37 days left for NEET UG 2025, students must focus on Chemistry. Understanding the syllabus, practicing reactions, and ...

colored cells Periodic Table of the elements. PORTUGUESE labeling. Tabular arrangement. 118 chemical elements. Atomic numbers, symbols, names and color cells for metal, metalloid and nonmetal.

One halcyon spring day in 1903, the 69-year-old anatomist and naturalist Dr. James Bell Pettigrew sat at the top of a sloping street on the outskirts of ...

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“I’ll always believe that diversity is a strength and never a weakness, that we are better with more voices and more seats at ...

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