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  1. Astronomy

    Planet 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.

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  2. 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 […]

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  3. Earth

    The Case for DDT

    What do you do when a dreaded environmental pollutant saves lives?

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  4. Planetary Science

    Martian 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.