The Earth's a Little Lighter

A Lighter Skin Tone

A lighter shade of trauma.

On the morning of Monday, August 29, 2005, Hurricane Katrina made landfall in southeast Louisiana. The levee system of New Orleans failed catastrophically. Storm surges penetrated the entire city and lingered for weeks. Hurricane Katrina became known as one of the most intense, costliest, and deadliest natural disasters ever recorded in the history of the United States. Almost exactly 3 years l...

The lighter side of BDNF.

Brain-derived neurotrophic factor (BDNF) mediates energy metabolism and feeding behavior. As a neurotrophin, BDNF promotes neuronal differentiation, survival during early development, adult neurogenesis, and neural plasticity; thus, there is the potential that BDNF could modify circuits important to eating behavior and energy expenditure. The possibility that "faulty" circuits could be remodele...

Using a lighter to heat a cautery

help the country to meet requirements in the future. Once the MOU has been signed by the ministry and returned to ITI, delivery of Zithromax® is scheduled for approximately one to two months prior to the time when MDA is to take place. For countries that are already involved and that have received Zithromax® in past years, there needs to be an updated inventory of any drugs already in the count...

The two earths of Eratosthenes.

In the third century B.C.E., Eratosthenes of Cyrene made a famous measurement of the circumference of the Earth. This was not the first such measurement, but it is the earliest for which significant details are preserved. Cleomedes gives a short account of Eratosthenes' method, his numerical assumptions, and the final result of 250,000 stades. However, many ancient sources attribute to Eratosth...