long-lived activity
91Immune system — A scanning electron microscope image of a single neutrophil (yellow), engulfing anthrax bacteria (orange). An immune system is a system of biological structures and processes within an organism that protects against disease by identifying and… …
92Maximum life span — is a measure of the maximum amount of time one or more members of a population has been observed to survive between birth and death. Most living species have at least one upper limit on the number of times cells can divide. For humans, this is… …
93Tropical cyclone — Hurricane redirects here. For other uses, see Hurricane (disambiguation). Hurricane Isabel (2003) as seen from orbit during Expedition 7 of the International Space Station. The eye, eyewall and surrounding rainbands that are characteristics of… …
941968 Pacific hurricane season — Infobox hurricane season Basin=EPac Year=1968 Track=1968 Pacific hurricane season map.png First storm formed=June 20, 1968 Last storm dissipated=October 28, 1968 Strongest storm name=Rebecca Strongest storm pressure=965 Strongest storm winds=75… …
95Uranium-236 — Infobox isotope background = #fc6 text color = isotope name = Uranium 236 isotope filename = alternate names = mass number =236 symbol =U num neutrons =144 num protons =92 abundance =< 10^ 10 halflife = 2.348 x10^7 years error halflife = decay… …
96Ozone depletion — Image of the largest Antarctic ozone hole ever recorded (September 2006) Ozone depletion describes two distinct but related phenomena observed since the late 1970s: a steady decline of about 4% per decade in the total volume of ozone in Earth s… …
97Chemical biology — is a scientific discipline spanning the fields of chemistry and biology that involves the application of chemical techniques and tools, often compounds produced through synthetic chemistry, to the study and manipulation of biological systems.… …
98Silverthrone Caldera — Infobox Mountain Name=Silverthrone Caldera Photo= Silverthrone Caldera.jpg Caption= Satellite image of the Silverthrone Caldera. Elevation= Unit m|3160|0 Location= British Columbia, Canada Range= Pacific Ranges Prominence = Unit m|975|0… …
99POPULATION — Methodological Uncertainties Because of the great difficulties in ascertaining human population data in general, and Jewish data in particular, especially in ancient and medieval times, a word of caution is even more necessary here than in most… …
100PRESS — This article is arranged according to the following outline: introduction in australia and new zealand in belgium in canada in czechoslovakia in england yiddish press in france in germany and austria between the two world wars after world war ii… …
