The modern periodic table, arranged in rows and columns, was first introduced by Dmitri Mendeleev in 1869. At the time, it included the known elements and their properties, but Mendeleev predicted ...

MORE - UEFA Champions League hub — Format, schedule, more The schedule was longer, the table bigger, and we’ve now seen how chaotic a final matchday can look, with all 18 games played at the same time ...

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Gift 5 articles to anyone you choose each month when you subscribe. Donald Trump’s life-long obsession with the art of the deal is playing out globally as he quickly refashions the White House ...

Chemistry is a core science subject that touches almost every aspect of our daily lives and will become increasingly important in our future knowledge-based society. Chemists develop life-saving drugs ...

Zoe is a professional baker and writer. Zoe has written 300+ stories for Southern Living print and digital, focusing on food, travel, and culture. She draws on her own culinary knowledge to translate ...