Why were no flames visible during the module’s takeoff? The Apollo 11 module used a fuel mixture of hydrazine and nitrogen tetroxide, which burns with an invisible flame. How did astronauts ...

The four propellant tanks on Blue Ghost are arranged in a diagonal configuration, with two containing hydrazine fuel and two holding an oxidizer called nitrogen tetroxide. This trade-off means ...

This cover highlights the article Multimodal mechanisms of human centriole engagement and disengagement by Kei K. Ito, Shoji Hata, Daiju Kitagawa and colleagues. The cover image depicts the centriole ...

18, 2009, in Angola, La. (AP Photo/Judi Bottoni, File) Updated [hour]:[minute] [AMPM] [timezone], [monthFull] [day], [year] NEW ORLEANS (AP) — A federal judge on Friday reopened a lawsuit challenging ...

The recommendations in the tables that follow are intended for situations where the crop is grown for grain and straw. Nitrogen (N) fertilizer guidelines can be based on the results of the soil NO ...

Renal function was assessed by measuring blood urea nitrogen and serum creatinine levels ... Fresh kidney tissues (1 mm³) were fixed sequentially in 2.5% glutaraldehyde for 24 h, followed by 1% osmium ...

Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki-Aza-Aoba, Aoba-ku, Sendai 980-0845, Japan ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Schistosomiasis, a parasitic disease affecting around 250 million people globally, ...