How to Get Rid of Brown Algae (Diatoms) in Freshwater Aquaria. Brown algae can be a delicious meal or an unsightly oxygen hog, depending on the type of animal you choose to keep in your aquarium. When aquarium owners talk about brown algae, they are actually talking about diatoms, microscopic brownish or greenish creatures with glassy skeletons.
Krav Maga is a simple, effective self defense system that emphasizes instinctive movements, practical techniques, and realistic training scenarios. The goal of Krav Maga is to bring individuals of both genders and of all physical abilities to a high level of proficiency in a short period of time.
Maxima is a descendant of Macsyma, the legendary computer algebra system developed in the late 1960s at the Massachusetts Institute of Technology. It is the only system based on that effort still publicly available and with an active user community, thanks to its open source nature.