[01] To qyma sthn Paramyqia arxika dexqhke pyrobolismo

Apo thn nekrocia- nekrotomh poy oloklhrwse arga xqes to brady, o kaqhghths Iatrodikastikhs Qeodwros Boygioyklakhs, proekyce oti to qyma prin apokefalistei, eixe dexqei pyrobolismo mekynhgetiko oplo mia fora sthn perioxh toy laimoy. To trayma htan tyflo kai to monobolo breqhke ston pneymona toy 26xronoy.

To qyma, symfwna me plhrofories apo tis albanikes diwktikes Arxes, prin erqei sthn Ellada briskontan stis fylakes ths xwras toy gia paranomes drasthriothtes. Proanakrish dienergei h Ypodieyqynsh Asfaleias Hgoymenitsas.

[02] Boreia Korea: O Kim Giongk Oyn epikefalhs parelashs sthn kentrikh plateia ths Piongkgiangk

Eprokeito gia thn prwth synedriash se diasthma 36 etwn, h opoia kai epibebaiwse ton hgetiko rolo toy Kim, topoqetwntas ton sthn proedria toy kommatos.

Sth diarkeia twn tetrahmerwn ergasiwn aposafhnisthke oti h Boreia Korea qa synexisei thn anaptyjh toy pyrhnikoy oplostasioy ths, para thn efarmogh enantion ths toy neoy paketoy twn sklhrwn kyrwsewn toy OHE, enw tonisthke oti h xrhsh twn pyrhnikwn oplwn qa ginei mono sthn periptwsh poy dextei apeilh kata ths eqnikhs ths asfaleias.

Parallhla, o Kim anakoinwse thn enarjh ylopoihshs pentaetoys programmatos oikonomikhs anaptyjhs me stoxo thn anazwogonhsh ths oikonomias ths Boreias Koreas, mazi me thn taytoxronh anaptyjh toy pyrhnikoy oplostasioy (Byongjin).

[03] Apokwdikopoihqhke plhrws to DNA toy karotoy

Opws apokalycan oi episthmones, to karoto diaqetei panw apo 32.100 gonidia, sxedon 10.000 parapanw apo o,ti o anqrwpos (ta fyta genika periexoyn peripoy 30.000 gonidia). Epipleon, to ena trito peripoy twn gonidiwn toy karotoy (10.530 gonidia) einai monadika sto karoto kai den exoyn entopisqei alloy.

Oi ereynhtes apo diafores xwres, me epikefalhs ton kaqhghth genetikhs Filip Saimon toy Panepisthmioy toy Oyiskonsin-Mantison twn HPA, ekanan th sxetikh dhmosieysh sto periodiko genetikhs "Nature Genetics".

Metajy allwn, oi episthmones anakalycan ena gonidio poy xarizei sto karoto thn asynhqista ychlh posothta bhta-karotenioy, poy diaqetei stis rizes toy kai apo opoy dhmioyrgeitai h bitaminh A, h opoia, metajy allwn, kanei kalo sthn orash, sto anosopoihtiko systhma, sto ygies derma, sthn epikoinwnia twn kyttarwn k.a..

Ta karota anhkoyn sthn idia kathgoria fytwn me to selino, to maroyli, ton maintano, to koliantro k.a., ta gonidiwmata twn opoiwn den exoyn akomh ``diabasqei'' (allhloyxhqei). H paragwgh twn karotwn pagkosmiws exei ypertetraplasiasqei apo to 1976 mexri shmera kai exoyn ejelixqei se mia apo tis deka shmantikoteres kalliergeies ston kosmo.

[04] O aeras ths nearhs Ghs htan araios kai den zygize oyte to miso ths shmerinhs atmosfairas

Oi ereynhtes twn panepisthmiwn Oyasigkton kai Dytikhs Aystralias, me epikefalhs toys Santzoi Som kai Tim Mpleik antistoixa, ekanan th sxetikh dhmosieysh sto periodiko gewepisthmwn "Nature Geoscience".

Ta nea eyrhmata anatrepoyn thn eyrews apodekth pepoiqhsh pws h nearh Gh eixe pyknoterh atmosfaira apo o,ti twra. Ayth h anakalych odhgei epishs se nees ektimhseis gia to poia kai posa aeria yphrxan sthn arxaia atmosfaira kai pws to klima kai h biologia tote allhloephreazan ton planhth mas.

H nea ektimhsh baizetai sthn xrhsimopoihsh ws ``palaiobarometroy'' twn fysalidwn aera poy pagideyqhkan se stereopoihmenh basaltikh laba sthn perioxh Pilmpara ths dytikhs Aystralias. Me ton tropo ayto, ypologisqhke to baros, ara kai h piesh, ths atmosfairas prin apo disekatommyria xronia. Oles oi metrhseis deixnoyn oti h piesh htan to 25% ews 505 ths shmerinhs, ligo megalyterh apo aythn panw apo to oros Eberest.

Prin apo 2,7 disekatommyria xronia, sth Gh zoysan mono monokyttaroi organismoi, h hliakh aktinobolia ston planhth mas htan peripoy kata 20% ews 30% pio asqenhs, enw h ghinh atmosfaira den perieixe kaqoloy ojygono. Antiqeta, perilambane perissotera ``aeria toy qermokhpioy'' (meqanio, diojeidio toy anqraka) kai ligotero azwto apo to shmerino 80%, kaqws to aporrofoysan mazika ta bakthria kai to afairoysan synexws apo ton aera. H araioterh atmosfaira, metajy allwn, qa ephreaze thn isxy twn anemwn, akomh kai to shmeio brasmoy twn ygrwn panw sth Gh.

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