Originally published on Wed August 21, 2013 11:40 am
What's thick-skinned and leathery, about the size of an egg, essential for guacamole and sold eight for a dollar?
No, not limes. Hass avocados. This year, anyway. These pear-sized fruits usually weigh half a pound or more. In the summer of 2013, though, hundreds of thousands of trees in Southern California are sagging with the tiniest Hass avocados in local memory — some just the size of a golf ball.
Despite complaints that Twitter kills language, there's evidence that social media can be used to enhance reading and writing. Guest host Celeste Headlee learns more from Rey Junco, of the Berkman Center for Internet and Society at Harvard University.
The professional connections site LinkedIn is launching a new section of its social network Monday: University Pages targets younger users who want to connect with colleges. More than 200 schools now have profile pages, according to LinkedIn. As part of the new effort, the company also dropped its minimum age to 14 in the U.S.
The new college profiles allow prospective students to see how many of a school's graduates are on LinkedIn, as well as a breakdown of the main fields in which they work. The pages also list the top employers of alumni.
The cars we drive have gotten ever more sophisticated. They can just about park themselves; they tell us if we're drifting out of our lane; they can prevent skids. Some even automatically apply the brakes if they sense that a collision is imminent.
The Voyager 1 spacecraft launched in 1977 on a mission to Jupiter and Saturn. It kept on going. Today it's billions of miles from Earth, and scientists have been predicting it will soon leave the solar system.
Originally published on Tue August 20, 2013 10:31 am
Online risk calculators are all the rage these days among public health groups trying to get us to change our unhealthful ways. The World Health Organization developed an online tool that lets you estimate your personal risk of cracking a hip in the next 10 years, for example. You just plug in data about yourself, your lifestyle, and your family medical history.
Some refrigerators can let you know when the door is open, or if the milk is past its sell-by date. They make ice at night during less expensive, off-peak energy hours. There are dishwashers that can contact a repairman.
It probably won't be long before you can become Facebook friends with your microwave.
The first microwave oven — the Radarange — weighed 750 pounds and was bought by a Cleveland restaurant in 1947 for $3,000. Later home models had a pull-out box for recipe cards. Paper recipe cards. So quaint.