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Knihy | 13. august | Pred 100 rokmi | Prírodné vedy | Spoločenské vedy | Umenie | Slovensko | Slovník | SK CZ DE RU


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.

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Dan Brown Pôvod 200x200


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Reuters News:


Archiv (2272):

2272. Fossils from Mongolia, Argentina show some dinosaurs laid soft-shelled eggs
Scientists have unearthed the first fossils of soft-shelled eggs laid by dinosaurs - two disparate species from Argentina and Mongolia - in a discovery suggesting that the earliest dinosaurs produced such eggs before some lineages turned to hard shells.
15:39 17.06.2020
2271. Antarctica's 'deflated football' fossil is world's second-biggest egg
A mysterious 68-million-year-old fossil found on Seymour Island off Antarctica"s coast that looked like a deflated football has turned out to be a unique find - the second-largest egg on record and one that may have belonged to a huge marine reptile th
13:18 17.06.2020
2270. Baby dragons take their bow in a Slovenian cave
Three rare aquatic creatures known as baby dragons are going on display in an aquarium at Slovenia"s Postojna Cave, one of the country"s biggest tourist attractions.
08:05 16.06.2020
2269. China postpones Beidou satellite launch over technical problem
China indefinitely postponed on Tuesday the launch of the final satellite of its Beidou navigation network because of technical problems in the rocket meant to launch it into orbit.
20:57 15.06.2020
2268. KBR wins $570 million contract for NASA spaceflight operations
Houston-based engineering company KBR Inc said on Monday it was awarded a $570.3 million contract by NASA to develop and execute spaceflight operations at Marshall Space Flight Center in Huntsville, Alabama.
07:29 15.06.2020
2267. Researchers in Thailand testing horseshoe bats for coronavirus
Researchers in Thailand began collecting samples from horseshoe bats to test them for coronavirus amid concerns they may pose a threat to local residents, a government statement said on Saturday.
08:15 13.06.2020
2266. China set to complete Beidou network rivalling GPS in global navigation
The Chinese Beidou navigation network will be complete this month when its final satellite goes into orbit, giving China greater independence from U.S.-owned GPS and heating up competition in a sector long dominated by the United States.
00:19 12.06.2020
2265. Researchers in Chile unearth 74 million year old mammal teeth
Chilean and Argentine researchers have unearthed teeth in far-flung Patagonia belonging to a mammal that lived 74 million years ago, the oldest such remains yet discovered in the South American country, the Chilean Antarctic Institute reported on Thursday
18:08 11.06.2020
2264. Tiny 13,500-year-old bird statuette shows origins of Chinese art
A tiny statuette of a bird carved from burnt bone about 13,500 years ago reveals the origins of Chinese art, embodying a style different from prehistoric three-dimensional artwork by people in other parts of the world, researchers said on Wednesday.
14:02 10.06.2020
2263. Scientists create embryo-like research model from human stem cells
Scientists have used human embryonic stem cells to create an embryo-like research model to help them study some of the earliest stages of human development.
11:17 10.06.2020
2262. Ground-penetrating radar reveals splendor of ancient Roman city
In a glimpse into the future of archeology, researchers have used ground-penetrating radar to map an entire ancient Roman city, detecting remarkable details of buildings still deep underground including a temple and a unique public monument.
08:13 10.06.2020
2261. World's largest green turtle colony nearly twice as big as thought
The world"s largest population of nesting green turtles is nearly twice as big as previously thought, scientists said on Wednesday, after drones enabled better surveys of the animals.
07:28 10.06.2020
2260. Russia's space chief complains about American jokes
Americans should show more respect for Russia"s space program after relying on it for nine years as the only way to send U.S. astronauts into orbit, the head of Russia"s space agency said.
11:23 09.06.2020
2259. Robot built for Japan's aging workforce finds coronavirus role
Mira Robotics developed its "ugo" robot to reinforce greying Japan"s shrinking workforce, but as the coronavirus threat persists, the Japanese startup is offering its machine as a tool in the fight against the outbreak, the company"s CEO said.
06:17 09.06.2020
2258. Pandemic offers scientists unprecedented chance to 'hear' oceans as they once were
Eleven years ago, environmental scientist Jesse Ausubel dreamed aloud in a commencement speech: What if scientists could record the sounds of the ocean in the days before propeller-driven ships and boats spanned the globe?
10:14 08.06.2020
2257. Does drug touted by Trump work on COVID-19? After data debacle, we still don't know
Scientists are resuming COVID-19 trials of the now world-famous drug hydroxychloroquine, as confusion continues to reign about the anti-malarial hailed by U.S. President Donald Trump as a potential "game-changer" in fighting the pandemic.
03:29 05.06.2020
2256. Tyson the alpaca takes heavyweight role in search for coronavirus vaccine
Scientists in Sweden are hoping an alpaca named Tyson can help deliver a knockout blow in the fight to develop a treatment or vaccine against the novel coronavirus that has killed nearly 400,000 people worldwide.
16:40 04.06.2020
2255. Fossilized stomach contents show armored dinosaur's leafy last meal
In a forest rebounding after a wildfire 110 million years ago, an armored dinosaur devoured a meal of tender ferns in western Canada before suffering a sudden death - perhaps drowning in a river or a flash flood - and being washed out to sea.
16:50 03.06.2020
2254. Convalescent plasma not helpful in China study; hydroxychloroquine doesn't prevent infection
The following is a brief roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus.
15:48 03.06.2020
2253. Oldest and largest ancient Maya structure found in Mexico
Scientists using an aerial remote-sensing method have discovered the largest and oldest-known structure built by the ancient Maya civilization - a colossal rectangular elevated platform built between 1,000 and 800 BC in Mexico"s Tabasco state.
11:29 03.06.2020
2252. France nears 1-billion-euro crisis fund for aero suppliers: sources
French government and industry officials are negotiating a 1-billion-euro, privately led investment fund for small aerospace suppliers in which major manufacturers could invest 200 million euros, people familiar with the proposals said on Wednesday.
11:16 03.06.2020
2251. Hides that reveal: DNA helps scholars divine Dead Sea Scrolls
Genetic sampling of the Dead Sea Scrolls has tested understandings that the 2,000-year-old artefacts were the work of a fringe Jewish sect, and shed light on the drafting of scripture around the time of Christianity"s birth.
15:08 02.06.2020
2250. U.S. opens national security probe into vanadium imports
The U.S. Commerce Department said on Tuesday it was opening an investigation into whether imports of vanadium, a metal used in aerospace, defense and energy applications, impair U.S. national security.
12:21 02.06.2020
2249. In-home antibody test shows promise; recovering surgery patients at risk from coronavirus
The following is a brief roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus.
15:00 01.06.2020
2248. 'Lady in the well' sheds light on ancient human population movements
The bones of a woman of Central Asian descent found at the bottom of a deep well after a violent death in an ancient city in Turkey are helping scientists understand population movements during a crucial juncture in human history.
10:02 01.06.2020
2247. SpaceX Crew Dragon delivers two NASA astronauts to International Space Station
Nearly 24 hours after launching from Florida, SpaceX"s Crew Dragon capsule delivered NASA astronauts Bob Behnken and Doug Hurley to the International Space Station on Sunday, marking the first U.S. space capsule to do so with a crew since 2011.
18:59 31.05.2020
2246. Russia applauds SpaceX launch but calls Trump's reaction 'hysteria'
Russia"s space agency criticised U.S. President Donald Trump"s "hysteria" about the first spaceflight of NASA astronauts from U.S. soil in nine years, but also said on Sunday it was pleased there was now another way to travel into space.
14:06 31.05.2020
2245. NASA resumes human spaceflight from U.S. soil with historic SpaceX launch
SpaceX, the private rocket company of billionaire entrepreneur Elon Musk, launched two Americans into orbit from Florida on Saturday in a landmark mission marking the first spaceflight of NASA astronauts from U.S. soil in nine years.
14:06 31.05.2020
2244. Millipede from Scotland is world's oldest-known land animal
A fossilized millipede-like creature discovered in Scotland may represent the oldest-known land animal, a humble pioneer of terrestrial living 425 million years ago that helped pave the way for the throngs that would eventually inhabit Earth"s dry part
16:02 30.05.2020
2243. Prototype of new SpaceX rocket Starship explodes on Texas test pad
A prototype of SpaceX"s upcoming heavy-lift rocket, Starship, exploded on Friday during ground tests in south Texas as Elon Musk"s space company pursued an aggressive development schedule to fly the launch vehicle for the first time.
13:09 30.05.2020
2242. Coronavirus infection rate may shift toward younger ages; death risk higher in cancer patients
The following is a brief roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus.
15:46 29.05.2020
2241. Spanish dig unearths human remains in hunt for Irish rebel lord
Spanish archaeologists may have uncovered the final resting place of an Irish nobleman whose bloody 16th-century rebellion almost toppled Ireland"s English rulers.
12:56 29.05.2020
2240. Coal mine in Serbia gives up new Roman treasure
As the sun sank over a vast opencast coal mine in eastern Serbia earlier this month, a small crane eased the front half of a Roman ship from the steep sides of the pit.
09:46 29.05.2020
2239. Mammoth skeletons dug up at Mexico City airport construction site
Alongside construction crews racing to build the Mexican capital"s new airport, skulls and curving tusks of massive mammoths peek through the dirt as archaeologists dig up more and more bones belonging to the ice age"s most famous mammal.
11:56 28.05.2020
2238. Exclusive: GSK says science does not link pandemic H1N1 flu vaccine to sleep disorder
British drugmaker GSK said on Thursday that its previous flu pandemic vaccine, which used some of the same ingredients as COVID-19 vaccines currently under development, was not linked to a rise in cases of the sleep disorder narcolepsy.
11:39 28.05.2020
2237. Weather postpones SpaceX's first astronaut launch from Florida
Stormy weather thwarted a landmark moment for private rocket company SpaceX and NASA on Wednesday, forcing launch directors in Florida to postpone what would have been the first flight of U.S. astronauts into orbit from American soil in nine years.
20:31 27.05.2020
2236. In lean times, fierce dinosaur Allosaurus resorted to cannibalism
The dreaded dinosaur Allosaurus was the scourge of the Jurassic Period landscape some 150 million years ago, an apex predator just as Tyrannosaurus rex was 80 million years later during the Cretaceous Period.
16:47 27.05.2020
2235. Collision of galaxies may have spurred our solar system's formation
A violent event on a colossal scale - the crash of two galaxies - may have paved the way for our solar system"s birth.
17:26 26.05.2020
2234. Musk's SpaceX set for debut astronaut mission, renewing NASA's crewed launch program
Entrepreneur Elon Musk"s SpaceX is set to launch two American astronauts to the International Space Station on Wednesday from NASA"s Kennedy Space Center in Florida, ending the U.S. space agency"s nine-year hiatus in human spaceflight.
17:12 26.05.2020
2233. Elon Musk's SpaceX raises $346 million ahead of debut astronaut mission
Elon Musk"s SpaceX said on Tuesday that it raised $346.2 million in a new round of funding, a day before it launches two American astronauts to the International Space Station.
12:58 26.05.2020

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