Viral gene screen

Article Abstract:

US blood banks have implemented nucleic-acid amplification testing (NAT) to screen more accurately HIV and hepatitis C viruses in donated blood. NAT can detect as little as 100 viral particles per milliliter of blood. The HIV virus is detected through NAT 10 days after infection and the hepatitis C virus within 10 to 30 days.

Methods, Blood collection and preservation, Safety and security measures, HIV (Viruses), HIV, Genetic screening, Genetic testing, Blood banks, Hepatitis C virus

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Divided we fall: cooperation among lions

Article Abstract:

Female lions form prides or hunting groups composed of closed relatives or sisters to protect their young from invading males. The pride also functions as an efficient hunting group that increases the chances of success when hunting large prey such as zebras and buffaloes.

Social aspects, Territoriality (Zoology), Animal territoriality, Lions

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Wink of an eye: half-asleep ducks can control which hemisphere gets to snooze

Article Abstract:

Research conducted at Indiana State University shows that ducks have a unique ability to sleep with one eye open and control which hemisphere will function. This behavior of ducks is thought to be driven by their instinct to protect themselves from predators.

Behavior, Ducks, Sleep

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