Mo. student gives more details on arrest in Cairo

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Mo. student gives more details on arrest in Cairo
AP

Derrik Sweeney, 19, of Jefferson City, Mo., smiles as he walks with his mother, Joy Sweeney, center, and sister Ashley Sweeney after arriving at Lambert-St. Louis International Airport Saturday, Nov. 26, 2011, in St. Louis. Derrik Sweeney and two other American students were arrested on the roof of a university building near Tahrir Square in Cairo last Sunday, accused of throwing firebombs at security forces fighting with protesters. On Thursday, a court ordered the three to be released. (AP Photo/Jeff Roberson)

Derrik Sweeney, 19, of Jefferson City, Mo., smiles as he walks with his mother, Joy Sweeney, center, and sister Ashley Sweeney after arriving at Lambert-St. Louis International Airport Saturday, Nov. 26, 2011, in St. Louis. Derrik Sweeney and two other American students were arrested on the roof of a university building near Tahrir Square in Cairo last Sunday, accused of throwing firebombs at security forces fighting with protesters. On Thursday, a court ordered the three to be released. (AP Photo/Jeff Roberson)

Derrik Sweeney, center, gets hugs from his father Kevin Sweeney, left, and sister Ashley, right, as arms from his mother, Joy Sweeney, wrap around from behind after Derrik arrived at Lambert-St. Louis International Airport Saturday, Nov. 26, 2011, in St. Louis. Sweeney and two other American students were arrested on the roof of a university building near Tahrir Square in Cairo last Sunday, accused of throwing firebombs at security forces fighting with protesters. On Thursday, a court ordered the three to be released. (AP Photo/Jeff Roberson)

Derrik Sweeney, center, gets hugs from his father Kevin Sweeney, left, and sister Ashley, right, after Derrik arrived at Lambert-St. Louis International Airport Saturday, Nov. 26, 2011, in St. Louis. Sweeney and two other American students were arrested on the roof of a university building near Tahrir Square in Cairo last Sunday, accused of throwing firebombs at security forces fighting with protesters. On Thursday, a court ordered the three to be released. (AP Photo/Jeff Roberson)

Derrik Sweeney, left, walks with, from left to right, his mother, Joy Sweeney, sister Ashley Sweeney and father Kevin Sweeney after arriving at Lambert-St. Louis International Airport Saturday, Nov. 26, 2011, in St. Louis. Sweeney and two other American students were arrested on the roof of a university building near Tahrir Square in Cairo last Sunday, accused of throwing firebombs at security forces fighting with protesters. On Thursday, a court ordered the three to be released. (AP Photo/Jeff Roberson)

Derrik Sweeney, center, gets hugs from his father Kevin Sweeney, left, and sister Ashley, right, as arms from his mother, Joy Sweeney, wrap around from behind after Derrik arrived at Lambert-St. Louis International Airport Saturday, Nov. 26, 2011, in St. Louis. Sweeney and two other American students were arrested on the roof of a university building near Tahrir Square in Cairo last Sunday, accused of throwing firebombs at security forces fighting with protesters. On Thursday, a court ordered the three to be released. (AP Photo/Jeff Roberson)

JEFFERSON CITY, Mo. (AP) ? An American student arrested during protests in Cairo says he feared for his life after he was taken into custody by four or five people in plain clothes.

Nineteen-year-old Derrik Sweeney tells The Associated Press in a Sunday interview via Skype that the evening started peacefully in Tahrir Square, where protesters have been gathering for more than a week.

He says he and others later wandered through the streets to the Interior Ministry but fled when shots were fired.

Sweeney says four or five "plain clothes Egyptians" then offered to lead the students to safety. He says they followed but found themselves taken into custody, beaten and threatened with guns.

Sweeney and the other two students flew back to the U.S. on Saturday after a court ordered them released.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/386c25518f464186bf7a2ac026580ce7/Article_2011-11-27-Egypt-American%20Students/id-6619799f161a4c0080fa134bca18035f

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Seaweed gel transforms drops into edible beads

Caitlin Stier, video intern

It could be the next trend in molecular gastronomy: quickly encapsulating a drop of liquid to create an edible bead. The technique, developed by Nicholas Bremond and colleagues at the School of Industrial Physics and Chemistry in Paris (ESPCI ParisTech), can package any liquid using a seaweed extract.

Bremond came up with the technique while collaborating with a master chef who wanted to put flavours in small compartments. To create liquid-filled beads, drops are coated with a seaweed solution. Then they're dropped into a calcium bath containing detergent, which causes the algae to harden and form a shell. Without detergent, the watery coating would still gel, but it would quickly mix with its liquid contents.

Beyond culinary creations, Bremond is using the method to package cancer cells and study them in a 3D environment. The permeable beads prevent cell contamination, while allowing drugs to flow in.

If you enjoyed this video, see how a laser technique can control the flow of liquids or watch the weird antics of charged drops of water.

Journal reference: Soft Matter, DOI: 10.1039/B923783F

Source: http://feeds.newscientist.com/c/749/f/10897/s/1a6715eb/l/0L0Snewscientist0N0Cblogs0Cnstv0C20A110C110Calgal0Edrops0Egel0Einto0Eliquid0Epearls0Bhtml0DDCMP0FOTC0Erss0Gnsref0Fonline0Enews/story01.htm

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