Physical fitness in children refers to their ability to perform physical activity. Their level of physical fitness is critical not only for success in sports and athletics, but also for good health. Aerobic exercise – the ability to deliver oxygen to the body’s gigantic muscles during sustained physical activity such as running, cycling or swimming […]
For decades, public health guidelines around the world have recommended that adults get at least 30 minutes of moderate physical activity on most days of the week. This is roughly equivalent to 150 minutes of moderate activity per week or 75 minutes of vigorous activity. That is why many were surprised, and perhaps even horrified, […]
When milliseconds can mean the difference between silver and gold, endurance athletes in sports such as marathon running, cycling, rowing and swimming optimize every aspect of their physiology to gain an advantage over the competition. Many of these efforts result in improvement mitochondrial efficiencyminuscule but mighty power plants that generate energy in your cells. Carefully […]
For the past three years, scientists in South Africa have been trying to solve a grim marine mystery: what was happening to the Cape fur seals? The boisterous marine mammals that are common along the country’s coastline, started washing away the dead in huge numbers. Pregnant females gave birth to stillborn pups prematurely. And some […]
When Jurnee McKay, 25, imagines having children, terrifying scenarios run through her mind: the “horror” of childbirth, the risks of pregnancy, an unstable potential partner, the exorbitant costs of child care. The limitations of abortion care are also on her list of concerns. That’s why Ms. McKay, a nursing student in Orlando, decided to eliminate […]
Curious Kids is a series for kids of all ages. If you have a question you would like answered by an expert, send it to curiouskidsus@theconversation.com. Why do I need a scientist to answer my question when there is Google? – Harrison F., 13, Brookline, Massachusetts Imagine you’re looking for something. Whether you’re a fourth-grader […]
Fly Me to the Moon is a delicate and witty romantic comedy. It is also a slick and impressive film that reminds us (like last year’s seven-time Oscar winner Oppenheimer) of the astonishing achievements of American scientific and military industry in the 20th century. It could be said that another, no less significant, contribution of […]
The wage stagnationrecord inflation, decline in household consumption are now redistributing the cards of our consumer society to a immense extent. The strategy used by online shopping sites can particularly amplify these phenomena. This is called lively online pricing. This is a strategy of constantly fluctuating prices up and down, which more and more sites […]
Facebook’s rise to become one of the the largest advertising platforms in the world started in 2004 $382,000 in revenue in just its first year, serving 400,000 college students. The site displayed basic banner ads called “Flyers” that cost between 10 and 40 dollars a day. Many of them promoted events at Harvard University, where […]
If you spend much time online, you’ve probably seen one of Temu’s colorful ads—underscored by the catchy slogan: “shop like a billionaire.” Temu specializes in selling a variety of everyday items, including clothing, toys and household items, at incredibly low prices. Shanghai-based PDD Holdings launched the online marketplace behind schedule last year (initially in the […]