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Why do we have two nostrils?
Our underwater ancestors have two front nostrils to fill the nostrils behind and release water. The nose was then used only for breathing, not for smell.
Odor
Browse ScienceInfo articles and explainers related to Odor.
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Articles about Odor
212 published items.
Discover science
People know how to sniff for traces
Humans also have the ability to track the scent of a lawn like a crane, and this ability will be significantly improved through the training process.
Discover science
Everyone has a characteristic smell
There are many reasons to believe that we all have a unique smell. Dogs, pets or police dogs, can identify each person with their slightly smelly odor. And the bonding b…
Oceanography
Can the shark smell a drop of blood 400 meters away from it?
Sharks are considered oceanic killers, one of the most dangerous animals on earth. Many people believe that they have a very sensitive hearing, just a small drop of bloo…
Oceanography
Which does shark use to locate smell?
Sharks are known to have very good sense of smell, which is very important for finding food in many species. However, according to a new study from Boston University mar…
Archeology
The planet smelled of gunpowder in the solar system
Odor on each planet is determined by the major chemical components in the atmosphere.
Space science
How does the space in the universe smell like?
Space in the universe contains many of the combustion byproducts that are compounds of polycianic aromatic hydrocarbon (polycianic aromatic hydrocarbon-PAH).
Space science
3 risks of
A meteorite hit? Old time! These risks are truly life-threatening, ensuring you never heard of them.
Space science
Try food on Mars
Flour tortillas, clothes that don't absorb odors, animal robots, which are necessary for astronauts after about 20 years, when they fly to Mars.
Space science
Bad breath is not an astronaut
Applicants who want to participate in China's upcoming space program must meet all 100 criteria, such as not having bad breath or sticking to the nose.
Biology
Durian will be available for people with diabetes
Many people in Southeast Asia, including Vietnam, love durian flavors - dubbed
Biology
The point of incredible facts about green butterflies
Blue butterflies are beautiful butterflies but have a strong, unpleasant odor, emanating from the odor glands on their front legs.
Biology
Discovering the type of sniffing fungus can reach orgasm
Scientists have discovered an exotic orange fungus that grows in the island of Hawaii can create an orgasm in women with scent.
Biology
How do mosquitoes seek targets to burn?
A new study revealed that mosquitoes target certain targets to burn by using a sequence of three signs: smell, then images and finally heat.
Biology
Kill mosquitoes carrying malaria parasites with foot odor
Scientists hope to create traps of bacteria that cause foot odor to kill mosquitoes carrying malaria parasites.