Nearly 40 years of domination by electret microphones

Mamontovaya Kurya: an enigmatic, nearly 40 000 years old Paleolithic site in the Russian Arctic

There is a need to fill in the gap in the archeological record from high latitudes to increase our understanding of early human colonization and adaptation to the arctic environment. Until recently it was a common opinion that the Eurasian Arctic was not occupied by humans until the final stage of the last Ice Age some 13-14 000 years ago (Hoffecker et al., 1993; Powers, 1996). However, the dis...

Complications of Pregnancy in Women over 40 Years

این بررسی گذشته نگر ۱۲۵ حاملگی در خانم های بالای ۴۰ سال حاکی از افزایش قابل توجه عوارض مادری و جنینی مثل هبپتانسبون مزمن، دیابت، بیماری قلبی، هیدرآمنیوس و دو قلویی در مادران مسن بود. جدا شدن زودرس جفتسر راهی در این گروه شایع تر بود و پرزانتاسیونهای غیرطبیعی در ۱۹ درصد موارد میزان سزارین و مرگ و میر جنینی پنج برابر بیش از گروه شاهد بوده است. تاخیر رشد داخل رحمی جنین و نوزادان با وزن بالای ۴۰۰۰ گ...

40 Years Hard Labour

I'm sorry to say that there's hardly a word that is research based in this " 40 years hard labour " , but what surprises me is that my observation and experience is sometimes supported by subsequent research. This is an anecdotal account which I hope you will enjoy and find peppered with controversy, pearls of wisdom, and food for thought, but I expect it will not add one jot to the body of you...

40 Years Young

1974 will be remembered for many things: the resignation of Richard Nixon, ABBA’s victory at the Eurovision song contest, or even perhaps the invention of the Rubik’s cube. It also witnessed the launch of an upstart in the publishing world whose aim was to provide a focal point and shared purpose among the rapidly expanding community of cell and molecular biologists. We’ll spend this year comme...

40 Years Ago