News tagged with mathematical model

Mathematical models to better combat HIV

The first few hours to days following exposure to human immunodeficiency virus (HIV) can be of critical importance in determining if infection occurs in a patient. But the low numbers of viruses and infected cells at this ...

May 31, 2013
not rated yet 1

Elevated carbon dioxide making arid regions greener

Scientists have long suspected that a flourishing of green foliage around the globe, observed since the early 1980s in satellite data, springs at least in part from the increasing concentration of carbon dioxide in Earth's ...

May 31, 2013
4.9 / 5 (17) 6

Why animals compare the present with the past

Humans, like other animals, compare things. We care not only how well off we are, but whether we are better or worse off than others around us, or than we were last year. New research by scientists at the University of Bristol ...

May 30, 2013
2 / 5 (1) 2 | with audio podcast

Crowd wisdom economics: The bad news

(Phys.org) —Volkswagen is simply a better car company than Fiat. Profits are higher, and so are wages. Why doesn't Fiat just be like VW? Why doesn't Italy, for that matter, emulate Germany? Is it elites that perpetuate ...

May 29, 2013
5 / 5 (3) 0