Lincoln was seemingly a natural born leader. With his ability to command a room, give a powerful speech and negotiate, he is regarded as one of the best presidents in American history. As a leader, Lincoln was determined to hold together a nation that was falling apart at the seams.…
What is Absorption? The absorption of nutrients takes place by diffusion through the wall of the small intestine which is a part of the gastrointestinal tract between the stomach and the large intestine. The main function of the small intestine is the absorption of minerals and nutrients found in food.…
Since the mass does not change as the acceleration increases, we can say that force is equal to acceleration. Therefore, if you double the force you double the acceleration. If you increase the mass at a given force the rate of acceleration slows. Therefore, mass is inversely proportional to acceleration.…
“Glacial acetic acid” is a name for water-free (anhydrous) acetic acid. Similar to the German name “Eisessig” (“ice vinegar”), the name comes from the ice-like crystals that form slightly below room temperature at 16.6 °C (61.9 °F) (the presence of 0.1% water lowers its melting point by 0.2 °C). Acetic…
The Acid Test. Every serious field geologist carries a small bottle of 10 percent hydrochloric acid to perform this quick field test, used to distinguish the most common carbonate rocks, dolomite, and limestone (or marble, which may be composed of either mineral). What is an Acid Test? Acid test is…
Teenagers binge drink, take drugs and have unsafe sex because they are programmed to take risks, new research shows. They are more likely than other age groups to indulge in dangerous behaviours – particularly after enjoying the buzz of a “lucky escape”, say scientists. Why is the age 14 dangerous?…
The population of Jakarta has increased dramatically since 1940. Much of that increase is attributed to immigration, which has transformed Jakarta into one of the world’s largest urban agglomerations. The reasons that so many people live in Jakarta is that it is the capital city of Indonesia and that there…
If your computer is running slow, there may be a number of causes, ranging from outdated software to insufficient computer hardware. Keep reading to learn about the most common causes of computer lag and what you can do to fix it. If the computer is infected with malware and viruses,…
Texans face skyrocketing home energy bills as the state exports more natural gas than ever. The cost of electricity in Texas is tightly tied to the price of natural gas, which has more than doubled since Russia invaded Ukraine in late February. In most cases, you might have a higher…
iO is the most technologically advanced Oral-B toothbrush, launched in July 2020. Its frictionless magnetic drive revolutionizes the way their brushes work and delivers more power to the bristles, making it more effective on plaque and gum disease. Price and availability. Right now there isn’t much price difference between these…