Technology / Computers / Virus: A program or piece of code that is loaded onto your computer without your knowledge and runs against your wishes. Most viruses can also replicate themselves. All computer viruses are manmade. A simple virus that can make a copy of itself over and over again is relatively easy to produce. Even such a simple virus is dangerous because it will quickly use all available memory and bring the system to a halt. An even more dangerous type of virus is one capable of transmitting itself across networks and bypassing security systems.
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Science / Biology / Retroviruses: Viruses that contain a single strand of RNA as their genetic material and reproduce by copying the RNA into a complementary DNA strand using the enzyme reverse transcriptase. The single-stranded DNA i MORE
Health / Disease / Marburg Virus: The causative agent of Marburg haemorrhagic fever. The virus is closely related to Ebola and originates in Uganda and Eastern Congo. Egyptian fruit bats are suspected of being the reservoir host. MORE