Polecamy Artykuły Nowości
Obłoki srebrzyste
Jeśli późnym letnim wieczorem, gdy niebo przybierze barwę ciemnogranatową, spojrzymy w kierunku północnym, to czasem na tle pogodnego nieba możemy spostrzec delikatne, bardzo podobne do chmur pierzastych, lśniące srebrzysto-biało obłoki.
Pradawne smoki
Ponoć w każdej legendzie tkwi ziarno prawdy. Nie inaczej jest w przypadku historii o smokach.
Skąd wiadomo, jaki jest wiek Zie…
Stworzenie świata nastąpiło 22 października 4004 r. p.n.e., o godzinie 8 wieczorem – tak jeszcze w połowie XVII wieku głosił arcybiskup James Ussher, irlandzki duchowny, który wyliczył tę datę, biorąc pod uwagę wiek patriarchów ze Starego Testamentu…
Smog – cichy zabójca
W wyniku wielkiego smogu londyńskiego, który utrzymywał się w tym mieście zaledwie przed 5 grudniowych dni 1952 roku, zmarło w sumie 12 tysięcy ludzi. W czym tkwi zabójczy sekret tego zjawiska?
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<p class="MsoNormal"><span style="font-size:16.0pt;line-height:115%;mso-bidi-font-weight:
bold">Fragment haczykowatych łusek okrywy koszyczka kwiatowego (popularnie nazywanego
rzepem).</span></p>
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mso-bidi-theme-font:minor-bidi;mso-ansi-language:PL;mso-fareast-language:EN-US;
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Łopian, przydrożny chwast, stał się…
Idąc polną drogą, na przykład w czasie wakacji, zwróćcie uwagę na koszyczki kwiatowe łopianu. Dzięki obserwacji przyczepnych rzepów, ludzie wymyślili taśmy, których używa się powszechnie w przemyśle odzieżowym, np. do zapinania kurtek, butó…