Polecamy Artykuły Nowości
Wygraj podróż życia do Arktyki! Propozycja…
Twoim marzeniem „od zawsze” było zobaczenie najdalszych zakątków Ziemi? Chcesz wziąć udział w naukowej ekspedycji, a może po prostu odkrywasz w sobie żyłkę podróżnika? Niestraszne Ci lodowce, tundra i niedźwiedzie polarne? Masz szansę na PODRÓŻ…
Piąty smak
Słodki – cukier, słona – sól, gorzkie – migdały, kwaśna – cytryna, a umami?
Czy tlen może być trucizną? Techniki…
Jak zwykle szybki postęp techniczny wymuszały potrzeby wojska. Pojawienie się w marynarce wojennej różnych krajów łodzi podwodnych spowodowało konieczność skonstruowania aparatów pozwalających na awaryjne opuszczenie zatopionej łodzi.
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Niagara – widoczne dwie części: American i Canadian Falls. </span><span style="font-size:11.0pt;line-height:115%;font-family:"Calibri","sans-serif";
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EN-US;mso-bidi-language:AR-SA" lang="EN-US">Fot. Safron Blase, źródło: <a href="http://commons.wikimedia.org/wiki/Niagara_Falls#mediaviewer/File:Niagara_Falls_Storm.jpg">http://commons.wikimedia.org/wiki/Niagara_Falls#mediaviewer/File:Niagara_Falls_Storm.jpg</a></span><!--[if gte mso 9]><xml>
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Wodny spektakl
Czy jest wśród Was ktoś, kto nie słyszał o wodospadzie Niagara? Wodospad ten znajduje się na granicy Kanady i Stanów Zjednoczonych. Nie jest największy na świecie, nie niesie najwięcej wody. W czym tkwi jego magia?
Czy jednorożce istnieją naprawdę…
Tak! Morskimi jednorożcami można nazwać narwale, które mieszkają w morzach Oceanu Arktycznego. Są spokrewnione z delfinami i innymi waleniami. Ich „róg” to w rzeczywistości prosty, długi, skręcony kieł, jedyny taki w świecie zwierząt. Ale co…