As an Amazon Associate I earn from qualifying purchases. Some links may earn us a commission at no extra cost to you. Start with the thing worth knowing before you spend anything: the Federal Trade Commission has written to more than sixty makers and sellers of ultrasonic pest devices telling them that efficacy claims need…

As an Amazon Associate I earn from qualifying purchases. Some links may earn us a commission at no extra cost to you. The two numbers on the box are measured at opposite ends of the dial and can never both be true at once. Peak lumens is the output on the highest setting; the long…

As an Amazon Associate I earn from qualifying purchases. Some links may earn us a commission at no extra cost to you. An automatic feeder only works if it actually dispenses food when expected. The best choice depends on whether you need two-cat feeding, precise dry-food portions, app control, outage-proof gravity feeding, or scheduled wet…

As an Amazon Associate I earn from qualifying purchases. Some links may earn us a commission at no extra cost to you. A smash burger is a Maillard reaction problem. You are trying to get the greatest possible area of beef in hard contact with the hottest possible metal for the first thirty seconds, because…

As an Amazon Associate I earn from qualifying purchases. Some links may earn us a commission at no extra cost to you. The smell you are fighting is ammonia, produced when bacteria break down urea in cat urine, and that matters because it tells you which products can work. Baking soda, activated charcoal and zeolite…

As an Amazon Associate I earn from qualifying purchases. Some links may earn us a commission at no extra cost to you. This shelf holds two kinds of book that look identical from a listing page. Some are written out of decades of observational research on real couples, where the claims have been measured and…

As an Amazon Associate I earn from qualifying purchases. Some links may earn us a commission at no extra cost to you. Two completely different products share this shelf. One kind is written to be read in an armchair: memoir, history, a story about somebody else walking a long way. The other is written to…

As an Amazon Associate I earn from qualifying purchases. Some links may earn us a commission at no extra cost to you. Search this category and almost everything you find is a walking pad wearing the word treadmill. The number that decides whether that matters to you is belt length, and it is the one…

As an Amazon Associate I earn from qualifying purchases. Some links may earn us a commission at no extra cost to you. The fabric line on a pair of jeans often tells you more about how they will feel by the end of the day than the product photos do. Denim with little or no…

As an Amazon Associate I earn from qualifying purchases. Some links may earn us a commission at no extra cost to you. Start with the number nearly every habit book repeats. The idea that a habit takes 21 days comes from a 1960 book by a plastic surgeon who noticed patients took about three weeks…