A long unthreaded section will make it impossible to tilt the bolt and produce misaligned threads, so it could make assembly easier ... Trapezoidal threads are used for lead screws because they are ...

Security Find and fix vulnerabilities ...

Ancient Greece produced the earliest records of democracy, western philosophy — and, it turns out, lead pollution. Researchers studying sediment cores recovered from mainland Greece and the ...

The bill’s introduction in the General Assembly follows years of lobbying against lead-based paint regulations by real estate interests, who argued they posed an undue burden on landlords.

Which heavy metals were found in protein powders? Lead and cadmium were found in a majority of the protein powders that were tested. There is no safe level of lead, which has been linked to ...

Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. Over-the-counter ...

A new report finds that a substantial proportion of over-the-counter protein powders contain potentially unsafe levels of lead and other toxic metals. Researchers at the non-profit organization ...

Dell just killed off XPS, but its new “Pro” laptops pull a neat trick: most USB-C ports and batteries are now officially user-replaceable. “This is the first time that we’ve had a screwed ...

For the first time in history, the US Food and Drug Administration has established guidance for levels of lead in processed baby foods that are sold on supermarket shelves and online. The agency ...

It discusses specific issues through dedicated agenda items or sub-items, which lead to the adoption of resolutions. Sitting arrangements in the General Assembly Hall change for each session.