Janet Raloff's Articles
- A high-level group of senators and members of the U.S. House of Representatives surveyed makers of e-cigarettes and finds they are targeting youth. They conclude that new federal laws should be created to end practices that could turn teens into nicotine addicts.
- This is the time to beat — the world’s most accurate atomic clock ever. At its heart is a ‘fountain’ of cesium atoms chilled nearly to absolute zero!
- Light can bump an atom. Bump it from several different directions at once and even a fast-moving atom will instantly freeze its motion — and chill it to a temperature of nearly absolute zero.
- A new study finds that large numbers of sea otters off of the U.S. Pacific coast have been exposed to the ‘pandemic’ type of this killer virus.
- A federal survey finds electronic cigarettes and the chemicals they burn are an increasing cause of reports of harm made to poison-control centers. Young children are often the victims.
- People want information. To get it, experts must sift through facts to find trends and other types of useful knowledge that has value.
- Teen use of cigarettes has dropped a bit in recent years. But many kids have been turning to other tobacco and tobacco-like products. And which they choose can differ sharply by gender and ethnic group.
- Get that mouse a sweater! A chilly environment suppresses the immune system in mice. This can foster cancer growth, a new study finds.
- Paleontologists debut the oldest T. rex ancestor. Weighing as much as a car and longer than a two-story building is tall, this meat eater would have been one fierce predator.
- By abandoning their coastal homes, some sharks survived an event that caused mass extinctions of other species.