A Moment of Science

Posts tagged night

February 18, 2014

 

Fingers appear to pinch the sun

Human Sleep Cycle Slightly Longer Than A Day

Starved of environmental cues telling us when it's time to go to sleep, our sleep cycles are actually a little longer than twenty-four hours.

May 2, 2013

 

Tree branches at night

Sleeping With Plants

Can sleeping in a room full of plants can be dangerous? A common myth states that, at night, plants compete with people for oxygen!

August 22, 2012

 

a lily on the water at night

The Nightlife Of Plants

A plant's nightlife may not include dining and dancing, but it does play an important role in its flowering season.

April 25, 2012

 

new moon sliver

The Glowing Moon

There's an interesting effect we can sometimes see regarding the moon. It happens when only a tiny sliver is visible shining on one side.

February 18, 2009

 

Person holding small meteorite

Rocky Weather Forecasting

During a "meteor shower" bits of rocky material that enter our atmosphere from space burn up because of friction.

January 26, 2009

 

Baby scops owl with head turned

Staring Eyes and Swiveling Necks

Owls use their giant, staring eyes and that amazingly swivel-prone neck as part of an overall system for catching prey.

May 29, 2006

 

girl sleeping in grandma's arms

Getting Older, Sleeping Less

Have you ever heard that older people need less sleep?

September 6, 2005

 

Sleep 1 and Sleep 2

You probably feel like your sleeping schedule is out of whack in some manner. Either you sleep too much, too little, or wake up too often. In fact, the typical eight hour uninterrupted sleep is what’s really unnatural. Learn more on this Moment of Science.

January 6, 2005

 

Premature Sleep Apnea

Could caffeine save someones life? Find out on this Moment of Science.

September 27, 2003

 

The Color of Dark

Who are these color-gifted critters? Hawkmoths. Almut Kelber from Sweden’s Lund University conducted an experiment that showed this surprising result. Imagine a room with a lot of artificial flowers in it, and the only ones with yummy sugar water in them are yellow or blue.

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