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News tagged with host

Zooming in on bacterial weapons in 3-D

The plague, bacterial dysentery, and cholera have one thing in common: These dangerous diseases are caused by bacteria which infect their host using a sophisticated injection apparatus. Through needle-like ...

Biology / Cell & Microbiology

created May 21, 2012 | popularity 3 / 5 (1) | comments 0 | with audio podcast

Researchers reveal unseen planet by its gravity

More than a 150 years ago, before Neptune was ever sighted in the night sky, French mathematician Urbain Le Verrier predicted the planet's existence based on small deviations in the motion of Uranus. In a ...

Space & Earth / Astronomy

created May 10, 2012 | popularity 4.9 / 5 (14) | comments 0 | with audio podcast

Ultra-cool companion helps reveal giant planets

(Phys.org) -- An international team of astronomers led by David Pinfield of the University of Hertfordshire has found a brown dwarf that is more than 99% hydrogen and helium. Described as ultra-cool, it has ...

Space & Earth / Astronomy

created May 10, 2012 | popularity 4.8 / 5 (6) | comments 0 | with audio podcast

Hitting snooze on the molecular clock: Rabies evolves slower in hibernating bats

The rate at which the rabies virus evolves in bats may depend heavily upon the ecological traits of its hosts, according to researchers at the University of Georgia, the U.S. Centers for Disease Control and Prevention and ...

Biology / Plants & Animals

created May 18, 2012 | popularity not rated yet | comments 0 | with audio podcast

Deterring signals: Tobacco plants advertise their defensive readiness to attacking leafhoppers

Following herbivory, plants produce jasmonic acid, a hormone which activates several plant defense reactions. Scientists found that leafhoppers can evaluate whether tobacco plants are ready for defense when attacked. If jasmonate-signaling ...

Biology / Biotechnology

created May 23, 2012 | popularity 5 / 5 (1) | comments 0

Massive black holes halt star birth in distant galaxies

Astronomers, using the European Space Agency's (ESA) Herschel Space Observatory, have shown that the number of stars that form during the early lives of galaxies may be influenced by the massive black holes ...

Space & Earth / Astronomy

created May 09, 2012 | popularity 4.6 / 5 (7) | comments 34 | with audio podcast

Kepler announces 11 planetary systems hosting 26 planets

(PhysOrg.com) -- NASA's Kepler mission has discovered 11 new planetary systems hosting 26 confirmed planets. These discoveries nearly double the number of verified Kepler planets and triple the number of stars ...

Space & Earth / Astronomy

created Jan 26, 2012 | popularity 5 / 5 (24) | comments 7 | with audio podcast

In distance space, a water world: Hubble reveals a new class of extrasolar planet

(PhysOrg.com) -- An international team of astronomers led by Zachory Berta of the Harvard-Smithsonian Center for Astrophysics (CfA) made the observations of the planet GJ 1214b.

Space & Earth / Astronomy

created Feb 21, 2012 | popularity 4.8 / 5 (24) | comments 24 | with audio podcast

Astronomy team discovers nearby dwarf galaxy

(PhysOrg.com) -- A team led by UCLA research astronomer Michael Rich has used a unique telescope to discover a previously unknown companion to the nearby galaxy NGC 4449, which is some 12.5 million light years ...

Space & Earth / Astronomy

created Feb 08, 2012 | popularity 4.3 / 5 (8) | comments 5 | with audio podcast

Amoeba offers key clue to photosynthetic evolution

(PhysOrg.com) -- The major difference between plant and animal cells is the photosynthetic process, which converts light energy into chemical energy. When light isn't available, energy is generated by breaking ...

Biology / Cell & Microbiology

created Feb 27, 2012 | popularity 5 / 5 (4) | comments 2 | with audio podcast

A new optical microscopy approach opens the door to better observations in molecular biology

Researchers from the Institut Pasteur and CNRS have set up a new optical microscopy approach that combines two recent imaging techniques in order to visualize molecular assemblies without affecting their biological ...

Biology / Cell & Microbiology

created May 17, 2012 | popularity not rated yet | comments 0

Planets that have no stars: New class of planets discovered

(PhysOrg.com) -- University of Notre Dame astronomer David Bennett is co-author of a new paper describing the discovery of a new class of planets -- dark, isolated Jupiter-mass bodies floating alone in space, ...

Space & Earth / Astronomy

created May 18, 2011 | popularity 4.7 / 5 (30) | comments 52 | with audio podcast

Turning Planetary Theory Upside Down (w/ Video)

(PhysOrg.com) -- The discovery of nine new transiting exoplanets is announced today at the RAS National Astronomy Meeting. When these new results were combined with earlier observations of transiting exoplanets ...

Space & Earth / Astronomy

created Apr 13, 2010 | popularity 4.7 / 5 (30) | comments 19 | with audio podcast

Instant evolution in whiteflies: Just add bacteria

In just six years, bacteria in the genus Rickettsia spread through a population of the sweet potato whitefly (Bemisia tabaci), an invasive pest of global importance. Infected insects lay more eggs, develo ...

Biology / Plants & Animals

created Apr 07, 2011 | popularity 4.7 / 5 (3) | comments 1 | with audio podcast

Hubble observations of supernova reveal composition of 'star guts' pouring out

Observations made with NASA's newly refurbished Hubble Space Telescope of a nearby supernova are allowing astronomers to measure the velocity and composition of "star guts" being ejected into space following ...

Space & Earth / Astronomy

created Sep 02, 2010 | popularity 4.6 / 5 (17) | comments 9 | with audio podcast

Hostel

Hostels provide budget oriented, sociable accommodation where guests can rent a bed, usually a bunk bed, in a dormitory and share a bathroom, lounge and sometimes a kitchen. Rooms can be mixed or single-sex, although private rooms may also be available. Hostels are generally cheaper for both the operator and the occupants; many hostels have long-term residents whom they employ as desk clerks or housekeeping staff in exchange for free accommodation.

In a few countries, such as the UK, Ireland, the Netherlands, India, and Australia, the word hostel sometimes also refers to establishments providing longer-term accommodation (often to specific classes of clientele such as nurses, students, drug addicts, or court defendants on bail) where the hostels are sometimes run by Housing Associations and charities. In the rest of the world, the word hostel refers only to properties offering shared accommodation to travellers or backpackers.

Within the 'traveller' category, another distinction can be drawn between hostels which are members of Hostelling International (HI), a UK-based, non-profit organization encouraging outdoor activities and cultural exchange for the young (formerly the IYHA), and independently operated hostels. Hostels for travellers are sometimes called backpackers' hostels, particularly in Australia and New Zealand (often abbreviated to just "backpackers").

For more information about Hostel, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.