Postage prices just went up again (groan). Save yourself some change by using this DIY device to find out exactly how many stamps to slap on to that overstuffed envelope
Father's Day -- June 21st -- is right around the corner
Build an indoor insect trap from our August, 1971 issue, fully updated for today (just in time for summer)
Streamline your environmentalism with this easy and inexpensive project
Bid in a one-of-a-kind auction to have your DNA sequenced and interpreted
Synthetic marijuana brand Spice may still technically be legal in the United States, but it’s quickly getting banned around the world
Try this update on a 1961 PopSci project: a cheap and stylish lamp base molded from a plastic bottle
Scientists develop new motion sensor that enables window panes and glass doors to detect movements via a special coating
79 percent of American adults are unable to answer three basic science questions correctly
New study reports that men who wore a penile extender every day for six months were able to increase the flaccid length of their penis by 32 percent
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