Nearly one third of anthropogenic carbon dioxide is being absorbed by the oceans today(Science Daily, May 24, 2008) .Uptake of carbon dioxide by the oceans is not a harmful phenomenon , but excess of it leads to a reduction in p H thereby altering the fundamental seawater chemistry, commonly known as ocean acidification ....The concept of a half-life has been adopted by fields outside of science, such as marketing and finance.In marketing, half-life is a formula for estimating the total responses to be expected from a direct marketing campaign.For example, the half-life of a radioactive substance is the amount of time it takes for half of its atoms to decay, and the half-life of a drug is the amount of time it takes before half of the active elements are either eliminated or broken down by the body.
He considered that the flattened head was caused by repeated powerful blows (his examination was done pre Darwinism 1859).
The calculation of half-life used in this tool is based on the exponential decay equation.
magazine has been continuously published since 1978, we are publishing some of the articles from the archives for historical interest, such as this.
He was considered to be the brutish ancestor link to man in the evolution chain, the intermediate stage between man and ape.
near Dusseldorf, Germany uncovered a skull and bones.