The stalk is made up of an external sheath that contains a fluid and a spirally arranged contractile fibril called a myoneme that contracts when stimulated. When disturbed, the vorticella contracts and the stalk thread is shortened,...

The war room for the response to Ebola at the U.S. Centers for Disease Control

INTERVIEW: Henry O and Wayne Wang on the response from people who have seen both films 'A Thousand Years of Good Prayers' and 'Princess of Nebraska'. at the A THOUSAND YEARS OF GOOD PRAYERS junket at Los Angeles CA. (Footage by WireImage...

Actress Bonnie Shone with her karate instructor / both seated when instructor puts hand on Shone's thigh / Shone gets up and demonstrates attack / instructor keeps touching her inappropriately and Shone responds with self defense karate...

Mid shot of emergency response team member. Emergency response personnel participate in a hurricane response exercise at the South Florida Water Management District (SFWMD) headquarters on May 21, 2013 in West Palm Beach, Florida. The...

Mid shot of emergency response team. Emergency response personnel participate in a hurricane response exercise at the South Florida Water Management District (SFWMD) headquarters on May 21, 2013 in West Palm Beach, Florida. The SFWMD...

Monkey trapped by its neck in clear plastic contraption / man works control panel and monkey responds by waving at a control panel in front of it / monkey in cage working with dials / man stands in front of control panel with sign 'A...

Male and female business partners listen and react to presentation in corporate boardroom

INTERVIEW: Jonathan Wyche and Erica Arnold-Wyche on the festival, the audience response to their film, and on Philip Seymour Hoffman at the 21st Annual Santa Barbara International Film Festival - The Riviera Award Honoring Phillip...

INTERVIEW:Jeffrey Wright on the response to the film in the Middle East and the importance of the film festival at the 2008 Dubai International Film Festival W. Interviews at Dubai . (Footage by WireImage Video/GettyImages)

INTERVIEW: Jim Lee says this experience is like a delayed performance when he gets to see the response to work he's been doing in isolation at the DC Entertainment Launches New Era of Comic Books During 'Midnight Madness' Event at New...

INTERVIEW: Howard Heckes on the overwhelming response from celebrities to create the hand prints for the charity at the 'Valspar Hands For Habitat' Celebrity Auction Kick-Off at New York NY. (Footage by WireImage Video/Getty Images...

INTERVIEW Anna Calvi on the positive response, it not feeling like it's all happened quickly at the Barclaycard Mercury Prize Nominations at London England. (Footage by WireImage Video/Getty Images Entertainment Video)

Efren Ramirez and Tina Majorino on working on 'Napoleon Dynamite,' on response to the film, on favorite memories from the shoot, and the film's critical response at the 2005 Critics' Choice Awards Interviews at the Wiltern Theater in Los...

INTERVIEW: SeaSick Steve on his age, on awards, on competing with younger talents and on the responses after JooLs Holland's show at the UK The Brit Award Nominations Red Carpet at London . (Footage by WireImage Video/GettyImages)

Sara Rue on her new look; how she achieved it and people's response to it, her first memories of Guess jeans and drawing the triangle on the bottoms, her last year with Less Than Perfect and on some of her upcoming projects at the Launch...

Robert Gant on presenting to Ang Lee, on the NY response to Ang Lee's work, on the GLAAD organization at the GLAAD Awards at the Kodak Theatre in Hollywood, California on April 8, 2006. (Footage by WireImage Video/Getty Images)

Anthony Azizi on his show nomination, on depicting an HIV positive man, on the response the gay community had to his character, on bringing awareness to AIDS epidemic at the GLAAD Awards at the Kodak Theatre in Hollywood, California on...

INTERVIEW: Jennifer Chambers Lynch on the response to the film and walking again after spinal surgery. at the Surveillance Interviews Cannes at Cannes . (Footage by WireImage Video/GettyImages)

INTERVIEW Stephen Daldry on how exciting and moved from the response from the audiences and Berlin festival is one of his favourite film festival at the 59th Berlin Film Festival: The Reader Party at Berlin . (Footage by WireImage...

INTERVIEW: James Toback on the kind of response he's been getting on the film. at the 'Tyson' Junket at Los Angeles CA. (Footage by WireImage Video/GettyImages)

INTERVIEW: Gabrielle Reece on PureVia and response to people using it at the PureVia Photo Shoot With Gabrielle Reece at West Hollywood CA. (Footage by WireImage Video/GettyImages)

2 people found dead at a house in Sible Hedingham

Queen speaking to quick response mobile doctors