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Category: Sciences

How Do Electromagnetic Waves Travel Without a Medium?
Learn why electromagnetic waves do not need air or matter to travel, and how changing electric and magnetic fields move through space.
June 6, 2026
Do Starfish Move? How Sea Stars Walk on Hundreds of Tiny Tube Feet
Yes, starfish move! See how sea stars use a water vascular system and hundreds of tiny tube feet to walk, grip, and even gallop across the seafloor.
June 6, 2026
Do polar bears get a cold?
Learn why polar bears don’t get colds, how they stay warm in the Arctic, and what adaptations they have to survive freezing temperatures.
August 2, 2024
What shift in thinking did the discovery of DNA bring to biology and medicine?
Learn how the discovery of DNA changed our understanding of biology and medicine, shifting from observation to manipulation, one-size-fits-all to personalized medicine.
August 1, 2024
What are the different types of gene editing techniques, and how do they work?
Discover the different types of gene editing techniques, including CRISPR-Cas9, ZFNs, and TALENs, and how they work to modify DNA.
August 1, 2024
Should we edit the human genome to eradicate genetic diseases?
Should we edit the human genome to eradicate genetic diseases? Explore the ethical dilemmas and potential benefits of this powerful technology.
August 1, 2024
Why do we have fingerprints?
Discover the fascinating reasons why we have fingerprints, from enhanced grip to increased sensitivity. Explore the unique patterns and their role in human evolution!
July 30, 2024
Why are fencers tethered?
Learn why fencers are tethered with wires, how it works, and the different scoring systems used in fencing.
July 30, 2024
What are the different types of satellite orbits, and how do they affect the coverage area?
Learn about different types of satellite orbits, including LEO, MEO, GEO, SSO, and polar orbits. Discover how these orbits affect the coverage area a satellite can provide and their applications in communication, navigation, and Earth observation.
July 30, 2024
What else can cause tsunamis besides earthquakes?
Discover the hidden causes of tsunamis beyond earthquakes, including underwater landslides, volcanic eruptions, meteorite impacts, and even man-made explosions. Learn about the power of these natural forces and how they can create devastating waves.
July 29, 2024

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