Scientists Arena

Now, while it’s true that stress can have all sorts of negative effects on the body, including things like high blood pressure, headaches, and insomnia, the jury is still out on whether or not it actually causes gray hair. 📌stress can contribute to premature graying of hair. The exact mechanism behind this is not yet…

Hair follicles develop during the fetal stage in those spots, resulting in hair growth in various locations on the body. 📌During early embryonic development, genes determine where hair follicles will form on the skin. This happens based on biological programming, not because ancestors had specific uses for hair in those locations. ✅So in summary, hair…

Soccer balls are made of 20 hexagons and 12 pentagons, arranged in a pattern known as a truncated icosahedron. it allows for a uniform shape and size, while also being aerodynamic and easy to control. 📍The use of hexagons and pentagons in the design of soccer balls dates back to the 1960s, when the first…

Chainsaws were actually invented in the late 18th century as a medical tool. Yep, you read that right. A medical tool. It was used by doctors to perform symphysiotomy, which is a surgical procedure that involves cutting through a woman’s pelvic bone during childbirth. ✅And let me tell you, those early models were nothing like…

The Sun is a very large and hot star, with a surface temperature of around 5,500°C (9,932°F). This high temperature causes the Sun to emit a large amount of radiation. 📌Sun produces energy through a process called nuclear fusion.During nuclear fusion, the sun’s core converts hydrogen into helium, releasing a huge amount of energy in…

Insects are primarily attracted to artificial lights because the lights mimic the moon i.e they mistake the lights for the moon which many insects use to navigate. 📍Insects use the moon as a navigational tool to help them fly in a straight line. But when they see artificial lights, they become confused and disoriented, and…

Space is dark because there’s no light. I know, I know, it’s a mind-boggling concept. But think about it – there’s no atmosphere in space, which means there’s nothing to scatter or reflect light. 📍In other words, light from stars and other sources can only travel in straight lines, and when it doesn’t hit anything,…

For a planet to have rings, it needs to have a strong gravitational field and a system of moons or other objects that can provide a source of material for the rings to form.While Earth does have a strong gravitational field, it does not have a system of moons or other large objects that could…