Sy Montgomery

The purpose of fear, clearly, is to help you get away - which it does. If your heart rate increases, there is more blood pumping so you can use that blood to fuel your muscles to run away. Oxygen is sent to the lungs so you can run fast. Pupils dilating help you see in the dark. All of that prepares your body to fight or escape.

American Writer

Paul Rand

Graphic Design, which fulfills aesthetic needs, complies with the laws of form and exigencies of two-dimensional space; which speaks in semiotics, sans-serifs, and geometrics; which abstracts, transforms, translates, rotates, dilates, repeats, mirrors, groups, and regroups, is not good design if it is irrelevant.

American Designer

Chris Hadfield

I've been so lucky to have done two spacewalks. If you looked at your wristwatch, I was outside about 15 hours, which is about 10 times around the world. And, you know, there's a whole time dilation, distortion thing.

Canadian Astronaut

Daniela Ruah

With River's birth, nothing went according to plan. My water broke three weeks early, and after 12 hours of labor and Pitocin, I was in incredible pain and still only one-centimeter dilated.

American Actress

Thomas Bailey Aldrich

Dwellers by the sea are generally superstitious; sailors always are. There is something in the illimitable expanse of sky and water that dilates the imagination.

American Poet

Ann Hood

When we deal with death, the pupils will always be fixed and dilated, which indicates that there is no longer brain activity or response.

American Novelist

Marcel Proust

The time at our disposal each day is elastic; the passions we feel dilate it, those that inspire us shrink it, and habit fills it.

French Author

Dilate refers to a natural, involuntary reaction of the body to certain stimuli.

Physical Reaction

Some dilations, like blood vessels, are internal and cannot be seen.

Not Always Visible

Pupil dilation adjusts the eye's sensitivity to light for better vision.

Light Sensitivity

Dilate is often used to describe actions taken to enlarge body passages in medicine.

Medical Procedures

Dilation can be crucial for improving the functioning of body parts.

Assist Functioning

Dilate in academic or intellectual contexts means to explain or discuss in detail.

Expanding Ideas

Using 'dilate' is more formal and may be found in academic texts or speeches.

Formal Discussions

Be cautious not to dilate on a subject so much it becomes repetitive.

Avoid Repetition

 with some super-accurate atomic clocks that were synchronized with some others left on the ground. After the plane had flown around the world, the clocks on board showed a different time from those left behind. Of course, at the speed of trains and planes, the effect is minuscule. But the faster you go, the more time dilates.

Is time travel possible?...

 otherwise known as your fight-or-flight system, kicking in to offer you the energy you need to respond. And that's just the stuff you noticed. At the same time, your digestive system slowed down so you could conserve energy. That's why your mouth went dry. And your blood vessels dilated to get blood to your extremities.

Why we get mad -- and...

 or it could stop a life-threatening allergic reaction. An injection of this right here will do it. It would be like turning the ignition switch in my body's fight-or-flight machinery. My heart rate, my blood pressure would go up so blood could rush to my muscles. My pupils would dilate. I would feel a wave of strength.

A crash course in...

 your pupils dilate, and your body releases glucose for additional energy, not because you're in danger but because your body is telling you that something important is happening. To help you focus, norepinephrine creates a sort of tunnel vision, blocking out surrounding distractions,

The science of...

 open your pupils are dilated welcome to the reality that we've been living living with since we were sensing it as black people thank you for that Jelani dream I'd like to shift to you and talk about how can we support the protesters who are out there

LA92 Panel - Live PIPE...

 then it looks like a simple it's triggered by an external predicament, it's hardwired, it's there to protect us from harm. So you see a bear, your heart rate quickens, your pupils dilate, you feel frightened, you run very, very fast.

The history of human...

 dilates pupils, and triggers the body's fight or flight response. Cocaine blocks the reuptake of dopamine and serotonin, pushing more into the network where they boost energy, create feelings of euphoria, and suppress appetites.

How do drugs affect the...

 these are the infrared covers so they don't blind the cats none of the light that we're using is visible to the cats what it is they're ice type fully dilated for night it doesn't mess up

Photographing Lions With...

 he had already fallen he couldn't get up anymore and he was breathing with some difficulty when I looked closer he had his pupil dilated and definitely wasn't normal

Jaguar Orphan Fights...

 time for me has always been an adversary my life has been about defiant I'm in my work and in my life have sinned how moment can squeeze and dilate and