Health
Journey of ultra-fine dust in human lungs
PM2.5 dust (super fine dust) can penetrate deep into the lungs, easily causing respiratory infections, heart and eye diseases ...
Small
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Articles about Small
2,255 published items.
Archeology
Discovered a 3,000-year-old bottle of prehistoric children
Prehistoric mothers breastfeed their babies in small animal shapes more than 3,000 years ago.
Discover science
The world really exists dwarf race like hobbits in Africa
In the lush green forest of, there are small huts made of leaves and branches, which is where the Pygmy tribes live in harmony with nature.
Archeology
The strange skull of ancient apes reveals the secret of how the primates' brains grow
The remains of a prehistoric primate living in the Andes 20 million years ago and small enough to fit in your hand are helping scientists learn more about how the human…
Space science
What if a black-sized black hole attacked the Earth?
In the vast universe, the black hole is probably the most feared 'evil spirit' we have ever known. With enormous gravity, no matter, not even light, can escape the black…
Environment
Why is it only 0.04% of the atmosphere, but CO2 is still the main cause of global warming?
Occupying a small percentage, but the impact of CO2 is extremely large. But alas, luckily, it's smaller. Because if the CO2 ratio is large, it will be a disaster.
New technology
Invented 'flying fish' robot for environmental research
Engineers at Imperial College London (UK) invented a robot
Oceanography
What happens if the shark disappears?
The disappearance of top predators such as sharks will cause serious ecological imbalance, causing many other animals to die.
Archeology
Ancient 'beast' version of 4 meek modern creatures
Many small and gentle animals in the present, having children even raised as pets have had ancestors of giant beasts that terrify the ancient world.
New technology
Students invent 'tags' to search for earthquake victims
A group of students in Indonesia has successfully built a device that uses high-frequency ultrasound to help search for earthquake victims.
Animal world
Lark - One of the four great singers with the best song
Songbirds are known as one of the best songbirds with small bodies, living mainly on the ground.
Health
73,000 pieces of plastic enter the human body each year
About 73,000 small pieces of plastic enter the human body through food, drinks and breathing, carrying pathogenic bacteria and causing antibiotic resistance.
Biology
Crickets and other interesting information you may not know
Crickets of the insect family, closely related to grasshoppers, locusts and mugs; cylindrical body, round head and long beard. Crickets ...
Health
Abdominal pain warns of many dangerous diseases
Severe abdominal pain after eating fat is a sign of gallbladder damage. Pain in the lower abdomen with nausea, fever, chills, watch out for kidney stones.