Používaním tohto webu súhlasíte s uchovávaním cookies, ktoré slúžia na poskytovanie služieb, nastavenie reklám a analýzu návštevnosti. | Zásady ochrany osobných údajov. | OK, súhlasím
 
Knihy | 7. apríl | Pred 100 rokmi | Prírodné vedy | Spoločenské vedy | Umenie | Slovensko | Slovník | SK CZ DE RU




Fotografie:
This Photo is copyrighted. No reproduction allowed.

Definícia:

Encyklopédia alebo náučný slovník je literárne dielo, ktoré krátko, stručne a jasne vysvetľuje dosiahnuté poznatky ľudstva alebo poznatky z určitého vedného odboru. Využíva pri tom odborný (náučný) jazykový štýl, heslá sú usporiadané v abecednom, chronologickom alebo systematickom poradí.
Zdroj:Wikipedia

A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9


Eshop:
Knihy 2


A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9

Reuters News:

Science:

Archiv (2196):

2196. Boeing plans to retest Starliner flight after botched mission
Boeing Co said on Monday it would send its Starliner astronaut spacecraft on another unmanned mission to the International Space Station, months after its last flight was cut short because of a software bug.
19:52 06.04.2020
2195. Fossil teeth yield oldest genetic material from extinct human species
Scientists have extracted from dental enamel the oldest human genetic material ever obtained, helping clarify the pivotal place in the human evolutionary lineage of a mysterious extinct species called Homo antecessor known from Spanish cave fossils.
16:10 06.04.2020
2194. Science platform ResearchGate launches COVID-19 community
ResearchGate, a social network site for scientists and researchers, has launched a new forum to facilitate collaboration between COVID-19 experts on research into beating the flu-like disease caused by the novel coronavirus.
09:52 06.04.2020
2193. Masks do reduce spread of flu and some coronaviruses, study finds
Face masks could help limit the spread of the COVID-19 pandemic, according to researchers who studied the effect of surgical masks on the transmission of other corona and flu viruses.
12:03 03.04.2020
2192. Chilean telescopes that explore galaxies brought down to earth by coronavirus
Chilean telescopes that comb the skies seeking answers about some of the universe´s most fundamental questions have confirmed they, too, have fallen victim to the mass disruption brought about by the new coronavirus.
19:56 02.04.2020
2191. Astronomers spot 'missing link' black hole - not too big and not too small
Scientists have detected a mid-size black hole - considered the "missing link" in the understanding of these celestial brutes - eviscerating an unfortunate star that strayed too close.
18:37 02.04.2020
2190. Frozen and desolate Antarctica once boasted warm, swampy rainforests
Antarctica is now a harsh land of ice and snow, but has not always been that way.
16:24 01.04.2020
2189. Chinese scientists seeking potential COVID-19 treatment find 'effective' antibodies
A team of Chinese scientists has isolated several antibodies that it says are "extremely effective" at blocking the ability of the new coronavirus to enter cells, which eventually could be helpful in treating or preventing COVID-19.
11:37 01.04.2020
2188. Landmark skull fossil provides surprising human evolution clues
Scientists have solved a longstanding mystery over the age of a landmark skull found in 1921 in Zambia - the first fossil of an extinct human species discovered in Africa - in research with big implications for deciphering the origin of our own species.
11:21 01.04.2020
2187. Loss of taste and smell key COVID-19 symptoms, app study finds
Losing your sense of smell and taste may be the best way to tell if you have COVID-19, according to a study of data collected via a symptom tracker app developed by scientists in Britain and the United States to help monitor the coronavirus pandemic.
09:42 01.04.2020
2186. Mother of invention: the new gadgets dreamt up to fight coronavirus
Driving to work at his factory to the west of London last week, designer Steve Brooks had coronavirus on his mind. What could he make that would let him open a door without touching the handle?
03:45 01.04.2020
2185. Musk's SpaceX wins NASA award to supply planned lunar space station
NASA on Friday picked a new space capsule from Elon Musk"s SpaceX to ferry cargo and supplies to the agency"s planned lunar space station, a crucial building block to its plans to build a permanent post on the moon and mount future missions to Mars.
16:29 27.03.2020
2184. Russia's 2020 satellite launch programme hit by production halt: Roscosmos
Russia"s space agency Roscosmos said on Friday it would have to adjust its 2020 launch programme because of a halt in satellite production in Europe, amid the coronavirus outbreak.
05:48 27.03.2020
2183. 'Navajo warrior' dinosaur was a real fighter, with a scar to prove it
Scientists have unearthed fossils of a fearsome feathered dinosaur in northwestern New Mexico that was a quick and agile predator that could chase down smaller prey or swarm larger prey in pack attacks 67 million years ago.
20:57 26.03.2020
2182. SpaceX's simulated spacecraft becomes unstable in parachute test: CNBC
Private rocket company SpaceX had an incident during parachute testing for its Crew Dragon capsule, in which the simulated spacecraft being tested became unstable and was dropped early, according to a tweet from a CNBC reporter.
22:35 24.03.2020
2181. Singapore scientists study genes to fast-track coronavirus vaccine
Scientists in Singapore say they have developed a way to track genetic changes that speeds testing of vaccines against a coronavirus that has killed more than 16,000 people worldwide.
09:37 24.03.2020
2180. Pharma firm Anges and Osaka University to begin testing coronavirus vaccine on animals
Japanese biopharmaceutical firm Anges Inc said on Tuesday that it and Osaka University had completed development of a DNA vaccine against the new coronavirus and that it would begin testing it in animals soon.
21:40 23.03.2020
2179. Astronauts quarantined ahead of journey to International Space Station
Two Russian cosmonauts and a U.S. astronaut were spending their final weeks on Earth in quarantine before they are scheduled to blast off on April 9 for the International Space Station for six months as the coronavirus pandemic sweeps Earth.
19:50 23.03.2020
2178. Gilead's potential coronavirus treatment gets FDA's orphan drug label
Gilead Sciences Inc"s experimental drug remdesivir, seen as one of the more promising potential treatments for the coronavirus, on Monday received the orphan drug designation from the U.S. Food and Drug Administration.
17:49 23.03.2020
2177. In battle against coronavirus, Colombia transforms military hospital
Colombia"s central military hospital, which for decades was inundated with victims of landmines and other casualties of the country"s internal conflict, is being outfitted to battle a new enemy: coronavirus.
17:27 23.03.2020
2176. Primordial worm-like creature was forerunner to most animals - including us
A worm-like creature smaller than a grain of rice that burrowed on the sea floor in search of meals like dead organic matter about 555 million years ago may be the evolutionary forerunner of most animals living today - including people.
16:35 23.03.2020
2175. Coronavirus deals blow to NASA's 2024 return-to-moon plan
The coronavirus has dealt a blow to NASA"s plan to return Americans to the moon by 2024, as the space agency chief on Thursday ordered the temporary closure of two rocket production facilities after an employee tested positive for the illness.
01:33 20.03.2020
2174. Fins of prehistoric fish reveal origins of the human hand
Inside the stout fins of a fish that prowled the shallow waters of an estuary in what is now eastern Canada about 380 million years ago, scientists have found what they call the evolutionary origins of the human hand.
17:04 19.03.2020
2173. 'Wonderchicken' fossil from Belgium reveals dawn of modern birds
A fossil unearthed in Belgium dubbed the "Wonderchicken" is providing a rare glimpse into the early evolution of modern birds at the twilight of the age of dinosaurs, right before an asteroid impact altered the course of life on Earth.
14:56 18.03.2020
2172. Australian researchers map immune response to coronavirus
Australian researchers said on Tuesday they have mapped the immune responses from one of country"s first coronavirus patients, findings the health minister said were an important step in developing a vaccine and treatment.
04:16 18.03.2020
2171. Chinese rocket fails on maiden launch - Xinhua
A new Chinese medium-lift rocket, part of a family of launch vehicles meant to support most of China"s launch missions in future, failed on its debut flight, the official news agency Xinhua reported.
03:51 17.03.2020
2170. Trials of potential coronavirus treatments start for some existing drugs
Drugs used for treating arthritis are being tested as treatments for COVID-19, the disease caused by a new coronavirus, as researchers rush to find ways of helping patients and slowing the number of infections.
15:51 16.03.2020
2169. First woman in space brought down to earth by anger over bid to prolong Putin rule
Valentina Tereshkova was hailed as a hero when she became the first woman in space in 1963.
09:41 13.03.2020
2168. Joint Russian-European Mars mission postponed over coronavirus
A joint Russian-European mission to send a rover to Mars has been postponed by two years because its final phase has been compromised by the coronavirus outbreak in Europe, the European and Russian space agencies said on Thursday.
09:50 12.03.2020
2167. Skull of smallest-known bird embedded in 99-million-year-old amber
Scientists are marveling over the exquisitely preserved skull of what appears to be the smallest-known bird - tinier than any hummingbird - encased in 99-million-year-old amber and boasting many odd traits including jaws studded with numerous puny teeth.
17:13 11.03.2020
2166. Fossil footprints on Scottish island reveal dinosaur parade ground
On a crag of rock called Brother"s Point on Scotland"s Isle of Skye, scientists have identified two bustling footprint sites that reveal an abundance of dinosaurs that thrived 170 million years ago including an early member of a celebrated group.
14:16 11.03.2020
2165. On faraway planet, it's cloudy with a chance of liquid iron rain
Scientists have detected an exotic planet in another solar system where the weather forecast is always dire - a 100 percent chance of the most outrageous rain imaginable, with droplets of scaldingly hot liquid iron.
12:49 11.03.2020
2164. Prosthetic innovation: 'It's like you have a hand again' - study
Today"s artificial limbs can look very natural, and now an innovative process makes prosthetic hands move more naturally as well.
10:03 05.03.2020
2163. Dogs can detect heat with 'infrared sensor' in their nose, research finds
Dogs have a type of infrared sensor in the tip of their nose which enables them to detect minute changes in temperature such as when other animals are nearby, according to new research.
07:44 05.03.2020
2162. Waiter, there's a fly in my waffle: Belgian researchers try out insect butter
Belgian waffles may be about to become more environmentally friendly.
13:35 28.02.2020
2161. Genetic study shows the red panda is actually two separate species
(This February 26 story corrects spelling of researcher"s last name, paragraph 8)
17:05 27.02.2020
2160. JPMorgan raises clean energy spending goals, profit targets unchanged 
JPMorgan Chase & Co largely maintained its key profit goals for the medium term on Tuesday, signaling steady but slower growth, and raised its financial commitment for clean-energy initiatives after years of pressure from environmental activists.
09:56 25.02.2020
2159. Billion-year-old Chinese seaweed is oldest green plant fossil
Scientists have spotted in rocks from northern China what may be the oldest fossils of a green plant ever found, tiny seaweed that carpeted areas of the seafloor roughly a billion years ago and were part of a primordial revolution among life on Earth.
17:16 24.02.2020
2158. Katherine Johnson, NASA mathematician portrayed in 'Hidden Figures', dies at 101
Katherine Johnson, the black woman whose mathematical genius took her from a behind-the-scenes job in a segregated NASA as portrayed in the film "Hidden Figures" to a key role in sending humans to the moon, died on Monday at the age of 101, NASA said.
15:48 24.02.2020
2157. Shake it, baby! NASA robotic lander confirms quakes on Mars
NASA"s robotic InSight lander has for the first time established that Mars is seismically active, but do not call the shaking, rattling and rolling taking place on the Red Planet earthquakes. The proper term, fittingly, is marsquakes.
11:11 24.02.2020

Stránky
55 54 53 domov

Zdroj/Source: Reuters News RSS Feeds