As humans contemplate life on other planets, we are immediately confronted with two choices. One is a journey to another solar system that would take tens of thousands of years (with current technology), requiring around ...
For decades, greater than 60% of the human genome was believed to be "junk DNA" that served little or no purpose in the course of human development. Recent research by Colorado State University is challenging this notion ...
Cell & Microbiology
Aug 19, 2020
2
668
Narwhals released after entanglement in nets and outfitted with heart monitors performed a series of deep dives, swimming hard to escape, while their heart rates dropped to unexpectedly low levels of three to four beats per ...
Plants & Animals
Dec 7, 2017
0
102
By tweaking a single gene, scientists have mimicked in sedentary mice the heart-strengthening effects of two weeks of endurance training, according to a report from Dana-Farber Cancer Institute and Beth Israel Deaconess Medical ...
Biotechnology
Dec 23, 2010
1
0
Most marathon runners know they need to consume carbohydrates before and during a race, but many don't have a good fueling strategy. Now, one dedicated marathoner -- an MD/PhD student in the Harvard-MIT Division of Health ...
Mathematics
Oct 21, 2010
1
1
(PhysOrg.com) -- Ever wish you could you power your home's electrical appliances with the energy you generate on your exercise bike? A new concept called an "inlet outlet" could allow homeowners to put power from kinetic ...
Every year in the Christmas season it becomes clear again that some people are amazingly skilled singers, like Mariah Carey and George Michael. Their singing can stir strong emotions.
Plants & Animals
Dec 12, 2023
0
131
As the days get shorter and chillier in the northern hemisphere, those who choose to work out in the mornings might find it harder to get up and running. A study in PNAS identifies a protein that, when missing, makes exercising ...
Cell & Microbiology
Sep 18, 2023
0
95
Calcium homeostasis, involving the flow of calcium ions within cells, is essential for cell signaling and function. Importantly, calcium enters the cellular powerplants known as mitochondria, where it fine tunes energy production. ...
Cell & Microbiology
May 10, 2023
0
52
Different types of exercise encourage the formation of different types of muscle fibers, or the cells that make up your muscles. Slow twitch muscle fibers support endurance activities like long-distance running, while fast ...
Cell & Microbiology
Mar 24, 2023
0
146
Physical exercise is any bodily activity that enhances or maintains physical fitness and overall health. It is performed for many different reasons. These include strengthening muscles and the cardiovascular system, honing athletic skills, weight loss or maintenance and for enjoyment. Frequent and regular physical exercise boosts the immune system, and helps prevent the "diseases of affluence" such as heart disease, cardiovascular disease, Type 2 diabetes and obesity. It also improves mental health and helps prevent depression. Childhood obesity is a growing global[citation needed] concern and physical exercise may help decrease the effects of childhood obesity in developed countries.
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