... individuals from which to repopulate disappearing fish populations, leaving us essentially in a fisheries catch-22.
Fraser concludes that not only do more data on the effects of captive breeding on ...
Decades of chemical pollution have damaged the ozone layer of the upper atmosphere that shields Earth from the harmful effects of the sun's ultraviolet rays, each summer eating a hole over the South ...
... not prescribed it is impossible to know whether they are effective and safe. Recognizing this catch-22, regulatory authorities in developed countries have begun to encourage pharmaceutical companies ...
WEST PALM BEACH, Fla. (AP) -- They haven't rechristened a ship the Irony, but federal researchers are canceling and cutting back on voyages aimed at studying climate change and ocean ecosystems so ...
... them like a submarine. But crossing the two breeds presents a catch-22: Subs need heft to sink, but speedboats need to be lightweight to go fast. With an investment of nearly $2 ...
It's a Catch-22 of the highest order. People with alcohol problems often use alcohol to get to sleep -- but it actually keeps them from getting good-quality sleep all night long.
It's a Catch-22 of the highest order. People with alcohol problems often use alcohol to get to sleep -- but it actually keeps them from getting good-quality sleep all night long.
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... its killer activity.
Defining how the activating peptides docked on BAX remained a formidable catch-22. In order to solve the structure of an interaction complex, it needed to be stable enough for ...
... for Vaccine Research, World Health Organization. "It would be wonderful news if this new vaccine - if it can be shown to be safe and effective in people with HIV - could help overcome this catch 22."
Software deadlocks are the Catch-22s of the computer world. These common bugs can freeze the machine when different parts of a program end up in an endless cycle of waiting for one another as they ...
... are commandeered to kill the bacteria, without the lipids the bacteria would die, also.
"It's a Catch-22," Wong said. "Some mutations bacteria can tolerate, and some mutations they cannot tolerate. ...
Human impacts on the environment have reduced populations of wild species to dangerously low levels. Nowhere is this more apparent than in worldwide fisheries, where thanks to overfishing and habitat ...
... into the pore, Ling explained, the same field moves the DNA too quickly, a classic scientific Catch-22.
The trick is to figure out how to slow the strands' movement through the ...
... lower levels than the standard laboratory assay.
"We hope that our research will help us break out of the catch-22 that is holding back major advances in the treatment of respiratory viruses," says ...
... sensitive to those magnetic fields used intentionally to select and manipulate them. "It's a bit of a catch-22," says NIST's Nathan Lundblad. "The more sensitive to individual control you make the ...
