Advertising people who ignore research are as dangerous as generals who ignore decodes of enemy signals.
Once Iraq became a hot bed for kidnapping, reporters had to use every kind of trick they could manage to avoid it. This included chase cars, security men for more prosperous agencies and networks, and GPS signals on satellite phones that could pinpoint the journalist's locations.
Blushing is thought to be linked to increased levels of norepinephrine in the brain, which may be associated with romantic feelings. It signals that we are interested and excited, which is attractive to men.
Cancer cells come pre-programmed to execute a well-defined cascade of changes, seemingly designed to facilitate both their enhanced survival and their dissemination through the bloodstream. There is even an air of conspiracy in the way that tumours use chemical signals to create cancer-friendly niches in remote organs.
With 'Smoke Signals,' the character was so much like me growing up. I lost my parents, and I wish I'd had an opportunity to find out where they were. So I was reflecting on how I grew up, that feeling of abandonment. That whole film was a reality that I always held back and kept to myself.
If we ever established contact with intelligent life on another world, there would be barriers to communication. First, they would be many light years away, so signals would take many years to reach them: there would be no scope for quick repartee. There might be an IQ gap.
Almost nothing is known from hybridization studies about the inheritance of courtship behavior of females, or of their responsiveness to particular male signals.
I'm certainly not a person who spends their every waking moment soaking themselves in signs and signals of the sort that cult studies people study; and it's partly, I suppose, because some of those signs and signals aren't worth bothering about. You have to be selective about these things.
To economists, prices serve as crucial signals to producers and consumers. In a regulated market, the state sets prices high enough for private companies to cover their costs and earn a guaranteed profit for their investors. But in a deregulated market, prices should vary with demand and supply.
Plumage features constitute a major component of courtship signals.