From the early years of aviation up until about 2000, the main way pilots navigated was by playing connect-the-dots across a map.
LiveScience invites experts in science & technology to provide insightful commentary and informed perspective on news, current events, innovations, big ideas and ongoing research. Expert Voices includes Op-Ed analysis and opinion as well as interesting observations from the field and science labs around the world.
For the precocious hunter of off-Earth life, the Drake equation is the ever-ready, go-to toolkit for estimating just how (not) lonely humans are in the Milky Way galaxy. But it's not useful.
Here's what the world's most powerful atom smasher has accomplished in the past 10 years and the fascinating physics it could still reveal.
Is the crisp autumn air, or the joy (or anxiety) of the holiday season, triggering more unprotected sexual intercourse? Or is it something else ...
Catnip can induce changes in cat behavior. An expert argues that giving it to cats raises questions about human power and animal autonomy.
Have your kids stopped believing in Santa? You might be more upset than they are. Read this letter from Santa – ghostwritten by a scientist who specializes in imagination and human behavior.
Some say the hysteria over screen time echoes parents' worries that their kids were watching too much TV in the 1980s. But new studies show there's nothing overblown about parents' growing concern.
Forget about dark matter and dark energy, new research suggests that the existence of 'dark fluid' may solve some of the biggest mysteries in physics.
Who wouldn't want to travel in time, glimpsing the dinosaurs or peeking at humans 2,000 years from now? Now physicists have designed a time machine that seems deceptively simple.
Colombian researchers hope to revive an endangered species by rehabilitating monkeys confiscated from smugglers. The captive animals' struggles show that survival is not guaranteed.
As comets blaze across the night sky, they can bring wonder and excitement to those watching from Earth – or even a sense of impending doom.
The Pilgrims repeatedly thanked God for their good fortune. But without two earlier developments, the entire undertaking at New Plymouth would have likely failed.
The fate of turkey tails shows how Americans have shifted from eating whole animals to focusing on choice cuts – and the surprising places where unwanted parts end up.
Climate change is shrinking Arctic sea ice and opening the region to ship traffic. Whales, seals and other marine mammals could be at risk unless nations adopt rules to protect them.
In November 1988, Robert Tappan Morris wrote a program that would travel from computer to computer and ask each machine to send a signal back to a control server, which would keep count.
Current page: 7