Search Results for: Monkeys
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2,692 results for: Monkeys
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AnthropologyEarliest Ancestor Emerges in Africa
Scientists have found 5.2- to 5.8-million-year-old fossils in Ethiopia that represent the earliest known members of the human evolutionary family.
By Bruce Bower -
Health & MedicineEbola May Enter Cell via Folate Gate
A cell-surface molecule that normally binds to folate might be targeted by Ebola and Marburg viruses as their entry point to people's cells.
By Nathan Seppa -
Health & MedicineCould this be the end of the monthly period?
Two compounds stop menstruation in monkeys, suggesting that similar drugs might someday enable women to bypass monthly bleeding.
By Nathan Seppa -
Human Brains May Take Unique Turn
Preliminary evidence indicates that the human brain may undergo a unique form of fetal development that facilitates the growth of brain areas involved in symbolic thought and language.
By Bruce Bower -
Embryo stem cells turned to blood
Human embryonic stem cells may provide a new source of blood and bone marrow.
By John Travis -
Health & MedicineWill new approach cure Chagas disease?
Scientists may be able to disable the parasite that causes Chagas disease by targeting the enzyme it uses to make essential fats.
By Nathan Seppa -
Biology of rank: Social status sets up monkeys’ cocaine use
Male monkeys' position in the social pecking order influences their brain chemistry in ways that promote either resistance or susceptibility to the reinforcing effects of cocaine.
By Bruce Bower -
Health & MedicineBroken Weapon: Mutation disarms HIV-fighting gene
A gene that once produced a small protein able to prevent HIV from infecting cells now lies unusable in the human genome.
By John Travis -
Health & MedicineGene Therapy for Sickle-Cell Disease?
By adding a useful gene to offset the effects of a faulty one, scientists have devised a gene therapy that prevents sickle-cell anemia in mice.
By Nathan Seppa -
Health & MedicineClever Combo: Hybrid vaccine prevents West Nile virus in mice
A vaccine fashioned from pieces of dengue virus and West Nile virus protects mice against West Nile fever, suggesting it might work in people.
By Nathan Seppa -
Health & MedicineBrave New Drug: Compound stops cowpox and smallpox viruses
A new drug called HDP-CDV stops smallpox virus from replicating in lab tests and cowpox virus from replicating in mice, suggesting it could work as a treatment for smallpox in people.
By Nathan Seppa -
AnimalsLeave It to Evolution: Duplicated gene aids odd monkey diet
A duplicated gene that has rapidly evolved helps certain monkey species thrive on a diet of leaves.
By John Travis