Lecture 3.6 College Algebra Instruction: Logarithms A logarithm is the power to which some fixed number, called a base, must be raised in order to obtain a specified number called the argument. Logarithms of specified numbers will have different values, depending on which base is used. The three most commonly used bases are 2, 10, and e.
Aggressive fire suppression inspired people to build homes in areas prone to wildfires, knowing that firefighters would protect them, said Matthew Carroll, a Washington State University forestry professor...
Art images and natural scenes have in common that their radially averaged (1D) Fourier spectral power falls according to a
Action on Smoking & Health has welcomed today's announcement from the Department of Health that the NHS in England helped a record 374,000 smokers to quit smoking last year. The figure refers only to those who quit for at least 4 weeks using NHS services and does not include the millions of smokers who try to go it alone every year.
Some are quick to capitalize on the greenness trend, losing practicality in the frenzy to attain another kind of green — cash money.
KentuckyFC writes "In 1978, the CalTech mathematician Robert McEliece developed a cryptosystem based on the (then) new idea of using asymmetric mathematical functions to create different keys for encrypting and decrypting information. The security of these systems relies on mathematical steps that are easy to make in one direction but hard to do in the other.
18% of Americans are unemployed or underemployed.
A Gallup Organization survey shows that 18.4 percent of U.S. workers say they are either unemployed or underemployed, according to a Gallup Organization survey. The running survey of U.S. workers shows 81.6 percent of them have jobs, but the national unemployed/underemployed number has been between the high-teens and 20 [...]
Hearing loss in teens has risen 30% in 20 years.
Listening to personal music players such as iPods has contributed to hearing loss among teenagers rising by nearly a third in 20 years, a study shows. Between 2005 and 2006, one in five adolescents suffered some form of hearing problem.
This is 30 per cent more than [...]
Is attention deficit hyperactivity disorder (ADHD) too often confused with immaturity or just young age? It may be, according to new research by a Michigan State University economist published in the Journal of Health Economics.