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Week
The Nose
Science T oday 1
Science T oday
Knows How to Protect the Body

• Dolly Anne L. Idlisan

The nose is the sensory organ we use off harmful germs from the air.
to smell and identify odor. The tiny hairs The nose releases a sticky
inside the nose called cilia also filter very substance called mucus
tiny specks in the air. Nasal hairs block (pronounced myu-kus.) It
particles from entering the body as we also gives off many tiny
breathe. However, scientists recently sacs called exosomes. The number of
discovered that the nose can also protect exosomes doubles when the nose detects
us from disease-causing germs. germs. Some of the exosomes go inside

Our body has an immune system. This the body to alert the cells located at
serves as a guard that fights germs and the back of the nose. At the same time,
viruses that we get from our surroundings. exosomes also arm the nose cells with
Scientists learned that the immune system bacteria-killing chemicals when germs are
only works when germs or viruses have present.
entered the body. In this recent discovery, Source: Le Page, Michael. “Secret Weapon Keeps Nose Safe.” New Scien-
the nose was found to be the first to ward tist. November 2018.
Vector: Freepik

Mini Moon

Might be Seen Soon

• Dolly Anne L. Idlisan

We only see twin moons in anime or in Unlike the natural moon, the mini moon
science fiction movies. In reality, however, will be very bright. It will be very near the
only one moon beautifies the sky with Earth because it will be placed only 300
the twinkling stars. But a mini moon may miles above the city. Scientists are finding
hover in the skies of Chengdu in China a way to control the light from the mini
pretty soon. moon. They want to be able to dim or
The Chengdu Aerospace Science and switch it off.
Technology Microelectronics System This project aims to limit the use of
has planned to launch a mini moon in street lights and decrease energy use. The
2020. Similar to the Moon, the light of the glow from the mini moon should light up
artificial moon will come from the Sun and the busy streets of Chengdu, and other
will be reflected to Earth. This will be made parts of the world, too. However, this will
possible by covering an orb which will make light pollution worse and make stars
be launched in the sky with a mirror-like harder to see.
coating. Source: Christiansen, Diane. “The Chinese City Of Chengdu May Soon Be Home To
Multiple ‘Moons’.” DOGOnews. https://www.dogonews.com/2018/10/27/the-chinese-city-
of-chengdu-may-soon-be-home-to-multiple-moons.
64 Vector: brgfx/Freepik