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| Sumber : https://www.newscientist.com/ |
KangAtepAfia.com - Sudah lebih dari 228 tahun sejak gagasan "Nebular Hypothesis" dikemukakan oleh Pierre-Simon de Laplace, seorang ahli astronomi dari Prancis. Menurut teori ini, matahari dan planet-planet terbentuk dari kabut gas yang berputar di alam semesta. Dari kabut tersebut, terbentuklah Bumi dan planet-planet lain melalui proses evolusi bertahap. Namun, seiring berjalannya waktu, Bumi yang awalnya hijau dan subur kini tengah menuju kehancuran.
Penggunaan
parfum pewangi pakaian (PARWAPAK) memiliki beberapa potensi bahaya yang perlu
diperhatikan, terutama terkait dengan kesehatan dan lingkungan. Berikut adalah
beberapa bahaya yang mungkin terkait dengan penggunaan pewangi pakaian:
Gambar : https://www.kompas.com
1. Reaksi Alergi dan Iritasi Kulit
Bahaya: Pewangi pakaian sering mengandung bahan kimia yang dapat menyebabkan reaksi alergi atau iritasi kulit pada beberapa orang. Pembahasan: Bahan kimia seperti phthalates dan parfum sintetik dapat menyebabkan kulit gatal, kemerahan, atau ruam pada individu yang sensitif atau alergi terhadap bahan-bahan tersebut. Orang dengan kondisi kulit sensitif atau eksim harus berhati-hati dalam menggunakan produk pewangi pakaian.
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| Gambar : https://health.okezone.com |
1. Penyakit Jantung dan Pembuluh Darah
Bahaya: Risiko tinggi terkena penyakit jantung dan pembuluh darah. Pembahasan: Olahraga teratur membantu meningkatkan kondisi jantung dan pembuluh darah dengan memperkuat otot jantung, menurunkan tekanan darah, meningkatkan kadar kolesterol baik (HDL), dan mengontrol kadar gula darah. Tidak berolahraga dapat meningkatkan risiko penyakit jantung koroner, serangan jantung, dan stroke.
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| Gambar : |
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| Sumber : http://krazyglobe.com/ |
Chemistry, like other sciences, continues to advance both in pure and applied fields. Before delving into its developments, it's essential to define chemistry itself.
Several experts define chemistry as the natural science that specifically studies the changes in matter, encompassing both chemical and physical transformations. These changes in matter can be studied through the energy changes accompanying them.
By : Atep Afia Hidayat
Sumber : http://www.merdeka.com/
It is undeniable that crude oil forms the backbone of the economy for Arab countries. Can Indonesia follow in the footsteps of Middle Eastern nations, making oil and gas (Migas) the primary source of foreign exchange earnings? The answer is challenging, given its limited natural resources. There is a trend of declining value in oil and gas exports, partly due to aging well conditions. Nevertheless, fossil fuels are non-renewable resources. However, it is highly plausible to position palm oil plantations and industries as the main source of foreign exchange earnings.
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| Sources : https://imarcgroup.files.wordpress.com |
If crude oil
is known as "black gold," then palm oil can be aptly termed
"green gold." Palm oil stands as the most important vegetable oil
source, playing a pivotal role in both upstream (plantations) and downstream
(processing or industrial) sectors, thereby enhancing the income of
stakeholders, including farmers and workers.
According to DJIA (2016), palm oil contributes significantly to value addition domestically, job creation, and foreign exchange earnings through exports. Beyond its role as a cooking oil, palm oil also serves as an industrial oil and biodiesel (a renewable fuel source).
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| Sources : https://voi.id/en/memori/149029 |
The history of the palm oil industry in Indonesia traces back to the introduction and commercial cultivation of palm oil seedlings that traveled thousands of kilometers to reach Indonesian shores. This article explores the key figures behind its introduction, initial commercial development, and the integration of palm oil cultivation into Indonesia’s agricultural landscape.
According to various sources, the first palm oil seeds arrived in Indonesia (then the Dutch East Indies) around 1848, brought by the Dutch colonial government from Nigeria. Similarly, Malaysia received its first palm oil seeds in 1875, introduced by the British colonial government through Singapore (MPOC, 2012). Despite Singapore no longer having palm oil plantations today, it stands as the first region to receive African-origin palm oil seeds.
Sources : https://everchem.com.my/
By: Atep Afia Hidayat
The history of palm oil begins in the wild forests, where it was first discovered and utilized by certain people, gradually spreading to society and eventually becoming a significant global trade commodity. The awareness of the importance of palm oil cultivation was triggered and accelerated by the Industrial Revolution, which began in England between 1750 and 1850.
According to Wikipedia (2023), the Industrial Revolution brought massive changes in agriculture, manufacturing, mining, transportation, and technology utilization. It significantly impacted social, economic, and cultural conditions worldwide. Originating in England, the Industrial Revolution spread to Western Europe, North America (the United States and Canada), and Japan.
Is there a connection between the brain and exercise? Absolutely. Brain mapping shows significant differences between the brains of those who regularly exercise and those who rarely or never do. What causes this?
Two crucial substances significantly influence brain function and condition: glucose (blood sugar) and oxygen (O2). A deficit of either can lead to brain dysfunction. Glucose is derived from the digestion of carbohydrates in food, while oxygen enters the body through the nose, is absorbed by the lungs, and circulated by the heart throughout the body, including the brain.
Apakah ada kaitan antara otak dan olahraga? Ya, sangat berkaitan erat. Pemetaan otak menunjukkan perbedaan signifikan antara otak orang yang rutin berolahraga dan yang jarang atau tidak berolahraga. Apa penyebabnya?
Terdapat dua zat utama yang berpengaruh besar terhadap fungsi dan kondisi otak: glukosa (gula darah) dan oksigen (O2). Kekurangan kedua zat ini dapat menyebabkan disfungsi otak. Glukosa berasal dari pencernaan karbohidrat dalam makanan, sedangkan oksigen masuk ke tubuh melalui hidung, diserap oleh paru-paru, dan diedarkan oleh jantung ke seluruh tubuh, termasuk otak.
Sources : https://www.niehs.nih.gov/
By Atep Afia Hidayat
Air pollution can originate from natural or human-made sources. The main sources of air pollution from human activities include industry, transportation, and electricity production. These sectors often are not environmentally friendly and contribute significantly to air pollution.
Indoors, major sources of air pollution include cigarette smoke and cooking activities using fuel, especially solid fuels like wood and charcoal. Additionally, building materials, household appliances, carpets, and insecticides can cause chemical and biological contamination indoors.
