News
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Health & MedicineGuggul extract fails its cholesterol test
Guggul extract, long used in parts of Asia and gaining popularity in Western countries as a weapon against high cholesterol, does not appear to work.
By Ben Harder -
Planetary ScienceA warmer, fluffier Pluto
Although Pluto has been receding from the sun for more than a decade, planetary scientists have now found that between 1988 and 2002, Pluto’s atmosphere has nearly doubled in size and its temperature has increased by about 1 degree C.
By Ron Cowen -
Health & MedicineViruses, but not bacteria, tied to mental decline
Past infection by multiple common viruses may contribute to cognitive decline in some elderly people.