Polecamy Artykuły Nowości
Centralne Obserwatorium Geofizyczne…
Oddalone o 50 km od Warszawy obserwatorium w Belsku rejestruje szereg zjawisk niezbędnych do poznawania procesów zachodzących we wnętrzu Ziemi oraz na jej powierzchni.
Co ma tundra do dwutlenku węgla?
Tundra to przykład biomu, czyli obszaru o określonym świecie roślinnym i zwierzęcym w danej strefie klimatycznej. Występuje głównie na półkuli północnej na obszarze Arktyki i pokrywa ok. 20% powierzchni Ziemi.
Motyw trzęsienia ziemi w grze ko…
Potężne trzęsienie ziemi w Lizbonie, które miało miejsce prawie 260 lat temu, stało się inspiracją dla twórców gry komputerowej.
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inter-ideograph"><span style="mso-fareast-font-family:"Times New Roman";
mso-bidi-font-family:"Times New Roman"">Rycina przedstawiająca pokrzywę
zwyczajną </span><a href="http://pl.wikipedia.org/wiki/Plik:Illustration_Urtica_dioica0_clean.jpg"><span style="mso-fareast-font-family:"Times New Roman";mso-bidi-font-family:"Times New Roman"">http://pl.wikipedia.org/wiki/Plik:Illustration_Urtica_dioica0_clean.jpg</span></a><span style="mso-fareast-font-family:"Times New Roman";mso-bidi-font-family:"Times New Roman"">
(rycina pochodzi z książki </span>Prof. Dr. Otto Wilhelm Thomé <i>Flora von
Deutschland, Österreich und der Schweiz</i> 1885, Gera, Germany)<span style="mso-fareast-font-family:"Times New Roman";mso-bidi-font-family:"Times New Roman""></span></p>
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Zapomniane oblicze pokrzywy
Pokrzywa zwyczajna (Urtica dioica L.) to jedna z tych roślin, którą poznajemy już we wczesnym wieku i to najczęściej od tej nieprzyjemniej strony. Swędzenie, zaczerwienienie, wysypka to częste efekty spotkania z pokrzywą.
Pierwsze kroki ornitologa, cz. 1
Podglądanie życia ptaków ma rzesze fanów. Nie jest bardzo trudne, ani kosztowne, ale (uwaga!) wciąga :)