Bogus Twitter Accounts
"Data-mining techniques reveal fake Twitter accounts that give the impression of a vast political movement." Technology Review uncovers an online political scandal.
"Researchers have found evidence that political campaigns and special-interest groups are using scores of fake Twitter accounts to create the impression of broad grass-roots political expression. A team at Indiana University used data-mining and network-analysis techniques to detect the activity. 'We think this technique must be common,' says Filippo Menczer, an associate professor at Indiana University and one of the principal investigators on the project. 'Wherever there are lots of eyes looking at screens, spammers will be there; so why not with politics?'"
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A NASA astronomer explains how astronauts dispose of their, uh, dark matter.
- When nature calls in micro-gravity, astronauts must answer. Space agencies have developed suction-based toilets – with a camera built in to ensure all the waste is contained before "flushing".
- Yes, there have been floaters in space. The early days of space exploration were a learning curve!
- Amazingly, you don't need gravity to digest food. Peristalsis, the process by which your throat and intestines squeeze themselves, actually moves food and water through your digestive system without gravity at all.
The Harvard psychologist loves reading authors' rules for writing. Here are his own.
- Steven Pinker is many things: linguist, psychologist, optimist, Harvard professor, and author.
- When it comes to writing, he's a student and a teacher.
- Here's are his 13 rules for writing better, more simply, and more clearly.
A growing body of research shows promising signs that the keto diet might be able to improve mental health.
- The keto diet is known to be an effective tool for weight loss, however its effects on mental health remain largely unclear.
- Recent studies suggests that the keto diet might be an effective tool for treating depression, and clearing up so-called "brain fog," though scientists caution more research is necessary before it can be recommended as a treatment.
- Any experiments with the keto diet are best done in conjunction with a doctor, considering some people face problems when transitioning to the low-carb diet.
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