Though it may sound unappetizing, fish oil is one of the most popular dietary supplements on the market. Derived from the tissues of oily fish—like salmon, herring, and trout—fish oil is hailed for its omega-3 fatty acids. Omega-3s appear to prevent the formation of blood clots and protect the brain from Alzheimer's disease. They are also believed to reduce the risk of cancer and coronary heart disease. Curiously, fish do not actually produce omega-3s. Where do these beneficial acids come from?
Back in the day
A border dispute sparked by the US annexation of Texas in 1845 soon led to all-out war between the two countries. Under the terms of the Treaty of Guadalupe Hidalgo that ended the war, Mexico confirmed US claims to Texas and ceded lands constituting present-day California, Nevada, and Utah, and parts of Arizona, New Mexico, Colorado, and Wyoming in exchange for an indemnity of $15 million and US assumption of American claims against Mexico. How did the US's victory precipitate its Civil War?
Born on a day like today
The prototype of the witty, cynical diplomat, Talleyrand is exalted by some as a savior of Europe and damned by others as an opportunist or traitor. Undisputed, however, is the Frenchman's impressive knack for political survival. He held high office from the ancien régime through the Revolution, Napoleon's rise and fall, the Restoration, and the July Monarchy. He scored his greatest diplomatic triumphs representing France at the Congress of Vienna. What was one of his worst diplomatic failures?