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  1. Hace 2 días · The Cretaceous–Paleogene ( K–Pg) extinction event, [a] also known as the Cretaceous–Tertiary (K–T) extinction, [b] was a sudden mass extinction of three-quarters of the plant and animal species on Earth, [2] [3] approximately 66 million years ago. The event caused the extinction of all non-avian dinosaurs.

  2. Hace 2 días · The Renaissance was a period in European civilization that immediately followed the Middle Ages and reached its height in the 15th century. It is conventionally held to have been characterized by a surge of interest in Classical scholarship and values.

  3. Hace 4 días · The geologic time scale is a way of representing deep time based on events that have occurred throughout Earth's history, a time span of about 4.54 ± 0.05 Ga (4.54 billion years). [5]

  4. Hace 23 horas · Impact of severity and age with variable definitions of bronchopulmonary dysplasia on neurodevelopmental outcomes

  5. Hace 4 días · U2, Irish postpunk band that by the end of the 1980s had established itself not only as one of the world’s most popular bands but also as one of its most innovative. Their best-known albums include The Joshua Tree, Achtung Baby, and All That You Can’t Leave Behind. Learn more about their music and career.

  6. Hace 2 días · Age of Consent in all countries: consider the ethics, circumstances, and history behind this legal concept which prioritizes the health and safety of minors.

  7. Hace 10 horas · I argue that you can reduce your "metabolic career age" by being willing to change a few key factors that affect how others perceive you.