France's strict brand of secularism has deep historical roots - but some want to soften it, says the BBC's Henri Astier.

Deep cleaning teeth helps get rid of bad breath and promotes healing of gum disease. But deep cleanings have risks too. Learn the pros and cons of deep dental cleaning.

Multienzyme complexes articles from across Nature Portfolio Multienzyme complexes are stable assemblies of more than one enzyme, generally involved in sequential catalytic transformations. These ...

Hack your Amazon Fire tablet with Fire Toolbox (Install Google Play, change default apps & behavior, and more) ...

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