Mercury in fluorescent bulbs has unique isotope fingerprint

(Phys.org)—Many consumers have started replacing traditional incandescent light bulbs with compact fluorescent light bulbs (CFLs) to reduce utility bills. CFLs are made of glass tubes filled with gas and a small amount ...

Free-to-pay? No way! Professor explores negative billing

During the festive season, online shoppers may think they're getting a bargain when they click on promotional discount boxes or sign up for free trials for such things as Christmas cards, exercise tips or even e-dating. But ...

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