
ALT A social media post with a photo of an elderly woman, Rodr\u00EDguez, speaking at a podium. The text reads: \"Did You Know? Before becoming a major public-health leader, Rodr\u00EDguez trained in cardiology, electrocardiography and physiological sciences and worked as a cardiovascular researcher.\"

ALT A social media post with a black and white photo of Howard Carter (squatting), Arthur Callender and an Egyptian workman, looking into the opened shrines enclosing Tutankhamun's sarcophagus in 1924. Text reads: \"Did You Know? Tutankhamun's tomb contained more than 5,000 objects, many extraordinarily well preserved because the tomb had escaped the extensive looting suffered by most royal burials.\"

ALT A social media post by Springer Nature featuring a spotted jellyfish on the left and text on the right that reads, \"Did You Know? Jellyfish use a network of nerves to sense their surroundings and coordinate movement. Also, some species can revert from their adult form back to an earlier stage of their life cycle, effectively resetting their biological clock.\"






