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AstronomyPlanet Formation on the Fast Track
New computer simulations suggest that planets as massive as Jupiter may have formed in only a few hundred years rather than several million years, as the leading theory of planet formation requires.
By Ron Cowen -
19207
The negotiators of the global persistent organic pollutants (POPs) treaty will include country-specific exemptions for continued use of DDT for malaria control in the approximately two dozen countries still using it. Nevertheless, your article also notes that DDT may soon be unavailable in many malaria-stricken regions. To address this concern, countries should consider some form […]
By Science News -
EarthThe Case for DDT
What do you do when a dreaded environmental pollutant saves lives?
By Janet Raloff -
Planetary ScienceMartian leaks: Hints of present-day water
In some of the coldest regions on Mars, water appears to have recently gushed from just beneath the surface, running down crater walls and steep valleys.