window of time

Weather, Waves And Wireless: Super Strength Signalling

ScienceDaily  Fri, 05/16/2008 - 14:15

A new study has discovered a particular window of time when mobile signals and radio waves are 'super strength' -- allowing them to be clearer and travel greater distances, potentially interfering with other systems.

The research, examining the signal strength of radio waves travelling over the sea, identified late afternoons and early evenings in spring and summer as a time when enhanced signals occur.


 

Pinpointing When A Fetus Develops Male Genitalia, And Birth Defe...

ScienceDaily  Tue, 03/18/2008 - 01:00

New data has indicated that in rats, "male" hormones drive the decision to become a male during a window of time before male genitalia develop, and that blocking "male" hormones during this time caused male genitalia birth defects.

These defects were associated with a decreased ano-genital distance, leading to the suggestion that measuring human neonatal AGD could provide a noninvasive method to predict those at risk of developing male genitalia birth defects.