All five answers to the questions below have something in common. Can you figure it out?

NEWS
LawnStarter ranked 303 American cities against 20 factors grouped into four categories. How did your city (or the one nearest you) fare?
Even non-metal fans know the look: the pinky and pointer finger stretch upwards while the thumb holds down the non-participating index and middle fingers. But where did “devil horns” actually come from?
From ‘Oblivious’ to ‘Residence Unaccompanied,’ these terms are synonyms of famous movie titles. How many can you get right?
Nausea and vomiting are the bane of many a pregnant person’s first trimester. And despite the name, the symptoms aren’t just limited to the morning.
From the mysterious human-made structures at Bolivia’s Tiwanaku Archaeological Site to the prehistoric megaliths at Carnac in France, these rock formations inspire awe and curiosity.
The CIA's encrypted art sculpture has puzzled cryptographers for decades. The man with the answers is finally ready to clue them in.
Early birds are starting to sing even earlier because of artificial light pollution—but it’s not clear if they’re actually losing sleep.
Whales and dolphins aren’t just neighbors. They’re also occasional playmates, according to new findings from Griffith University researchers.
Find out what names Americans were giving their babies in the year 2000, and how they compare to today's most popular names.
This riddle dates back to the 19th century—can you figure out the answer?
These Atomic Age sites—some of which are still dangerously radioactive—are a somber reminder of the dark shadow the threat of nuclear war cast on the world.
Body comp scales claim to measure how much fat and muscle you have, but they may not give an accurate picture of health. Here’s why.
The public once made the rock anthem a chart-topping hit. Then we all seemed to change our mind.
The idea that older people need less sleep is just one common misconception.
Consumers are being warned their frozen shrimp may have something in common with the Chernobyl disaster: a radioisotope.
According to a new archaeological study of human bones showing evidence of violent “overkill,” war was hell even in the late Stone Age.
Looking for the perfect picnic spot? Reviewers say these state parks are top-tier.
We give you an obscure word with four definitions—one correct, three made up. Can you identify the correct one?