Why were dinosaurs so big?

#wanttoknow! – this edition's Tomorrow Today viewer question comes from Ankur Chaudhari in Khushalpura, India. He wants to know why dinosaurs were so much bigger than animals today.

https://p.dw.com/p/2as1o

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Polish Prime Minister Mateusz Morawiecki inspects the site with Ukrainian Prime Minister Denys Shmyhal as he receives information from officials during delivering process of the first batch of the Leopard tanks

Polish Prime Minister Mateusz Morawiecki inspects the site with Ukrainian Prime Minister Denys Shmyhal as he receives information from officials during delivering process of the first batch of the Leopard tanks

Poland says it will no longer supply Ukraine with weapons

Firefighters work at a site in a residential area, damaged during a Russian missile strike in Kyiv, Ukraine

Firefighters work at a site in a residential area, damaged during a Russian missile strike in Kyiv, Ukraine

Ukraine updates: Deadly Russian strikes hit Kyiv and Kherson

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