According to a 2011 research, Earth generates up to 40 terawatts of heat, half of which originates from radioactive decay in its core. Scientists studied antineutrinos that flowed up from Earth's core and discovered that radioactive decay of specific elements generates half of Earth's heat.
Related Facts
Did you Know? Birthday cakes aren't just for humans.
Persian carpets' quality has not changed, but their purpose has.
Did you Know? Algeria is the home to the famous Djamaa El Djazair mosque
Making the most of a bad situation
Did you Know? Madagascar once had a mad queen
Uranus has an unusual rotation and tilt.
The origins of astrology go way back in history.
Why Can't Astronauts Hear or Talk in Space?
Venus flytraps entice prey with their delicious nectar and vibrant colours.
Bhutan has a tourist policy that is low-impact but high-value.
Did you Know? An 11-year-old girl gave Pluto its name
There Will Be Blood Disrupted Shooting for No Country for Old Men
There are two versions of braille – contracted and uncontracted.
A category of beetle known as fireflies has more than 2,000 different species
To visit Bhutan, tourists must spend a minimum of US$200 per day.
Switzerland Has Nuclear War Plans
The Dutch own more bicycles than any other country in the world
The Giant Swallowtail Butterfly is one of the largest butterflies.
Collagen helps to firm your skin.
Did you Know? There is actual Lora Croft, living somewhere in Derby, England
The record for the loudest purr is 67.8db(A)
As we age, our asthma changes.
Did you Know? Snow Flakes come in all sizes
Tagine Tunisienne
Queen Victoria spoke several languages