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The Associated Press
AP Top Science News at 6:30 p.m. EST

Obama says parts of climate deal must be legally binding
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LE BOURGET, France (AP) -- President Barack Obama said Tuesday that parts of the global warming deal being negotiated in Paris should be legally binding on the countries that sign on, setting up a potential fight with Republicans at home....

The Latest: Negotiators take heart at Obama comments
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LE BOURGET, France (AP) -- The latest news from the U.N. climate conference in Paris, which runs through Dec. 11. All times local:...

Mexico experts: passageway may lead to Aztec ruler's tomb
AP Photo
MEXICO CITY (AP) -- A Mexican archaeologist said his team has found a tunnel-like passageway that apparently leads to two sealed chambers, the latest chapter in the search for the as-yet undiscovered tomb of an Aztec ruler....

European Space Agency delays launch of gravity probe
BERLIN (AP) -- The European Space Agency is postponing the launch of probe that will test technology for a future mission to measure gravitational waves....

Clerics promote climate justice with music, fasting
PARIS (AP) -- Imam Ibrahim Saidy brought his symposiums and his monthly fasting to the Paris climate talks, hoping to call attention to the problems and injustice of global warming....

AP News Guide: Summit opens debate on ethics of gene editing
WASHINGTON (AP) -- Designer babies or an end to intractable illnesses: A revolutionary technology is letting scientists learn to rewrite the genetic code, aiming to alter DNA in ways that, among other things, could erase disease-causing genes....

Male vs. female brain? Not a valid distinction, study says
NEW YORK (AP) -- Are the brains of men and women truly different? Not if you look at the overall structure, a new study says....

Timeline of key events in UN effort against climate change
PARIS (AP) -- After decades of warnings from scientists that greenhouse gas emissions were warming the planet, governments started coming together in the 1980s to combat the problem. Here's a timeline of key moments in the diplomatic effort to stop global warming, leading up to the U.N. climate conference in Paris:...

Key sticking points in UN climate talks
PARIS (AP) -- Some 180 countries have already presented plans to cut or rein in their climate-warming greenhouse gas emissions....

AP Interview: UN chief wants climate target review by 2020
PARIS (AP) -- U.N. Secretary-General Ban Ki-moon says governments' pledges to cut global warming emissions aren't enough and should be reviewed before 2020....