biological


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biological clock is ticking

Of a woman, there is a limited amount of time in which to be able to conceive a child. I've been very successful in my career and want to see it to its fullest, but I would also love to have kids, and I know my biological clock is ticking. For women who may want to have children, their biological clocks are always ticking—a concern that men never have to worry about.

clock is ticking, the

The time (for something to be done) is passing quickly; hurry up. For example, The clock is ticking on that project. This allusion to a stopwatch is often used as an admonition to speed something up. It also is used in more specific form- one's biological clock is ticking-meaning that a woman may soon be too old to bear a child, as in Her biological clock is ticking-she just turned forty.
See also: clock
References in periodicals archive ?
Bio-Rad Laboratories Biotechnology Institute Carolina Biological Supply Company Connecticut Valley Biological Supply G-Biosciences Suspended Animations Texas Instruments Virtmac
At the end of World War II, the United States was on the cusp of a biological capability with 500-pound clusters of the Mark 14-pound biological bomblet and the M47A2 100-pound biological bomb charged with anthrax.
To determine how commonly trace exposures trigger unanticipated biological, impacts, Calabrese's team has analyzed databases of biological responses to potentially toxic chemicals, each throughout a broad range of doses.
In the event of a chemical or biological incident, sensors would alert the port, both outdoors and indoors.
To facilitate progress in environmental genomics, we need to train young investigators in the discipline and support scientific programs that focus on biological and clinical problems that can most directly be solved by employing these novel conceptual and methodological approaches.
Schneider's timely and engaging book will help all levels of the Air Force understand biological warfare and the potential threats it poses.
In biological terms, as humans, we are constantly experiencing a certain degree of stress.
The device can simultaneously identify up to 10 different biological warfare agents in a given sample, including smallpox, anthrax, plague, and encephalitis.
Certain brain chemicals, called neurotransmitters, play an important role in regulating moods and emotions, providing further evidence of a biological etiology for Major Depressive Disorder.
Despite this history, biological agents have not been instruments of choice for terrorism as explosives and guns account for more than 99% of all weapons used by terrorists (Global Center for Traumatology, 2003).
The Department of Defense (DOD) announced on 25 April the formation of the Joint Program Executive Office for Chemical and Biological Defense (JPEO-CBD).
Instead, the administration focused public attention on the potential threat posed by Iraqi weapons of mass destruction (WMDs) -- nuclear, radiological, chemical, or biological -- if they were transferred to al-Qaeda or other terrorist networks.
To ensure that terrorist groups and their state sponsors are never able to gain access to chemical, biological, or nuclear weapons, or the means to deliver them via missile, the United States is employing a variety of methods to combat the spread of weapons of mass destruction, including multilateral agreements, diplomacy, arms control, threat reduction assistance, export control and other means where necessary.
Goldstein concludes that biological differences, often asserted by those who aim to keep women from combat, are in fact relatively minor.