26 Maqolalar
Energiyaning qayta tiklanuvchi manbalari - ekologik toza va barqaror energiya. Ular insoniyat uchun muhim ahamiyatga ega. Energiyaning qayta tiklanuvchi manbalari Hozirgi kunda energiyaning qayta…
Tabiat muhofazasi va ekologik muammolarni hal qilishda resurslarni tejash, qayta tiklanadigan energiya manbalaridan foydalanish muhim. Tabiat muhofazasi: Asosiy tushunchalar Tabiat muhofazasi - bu…
Inson hayotida psixologik faktorlar muhim rol o'ynaydi. Ular ruhiy salomatlik va motivatsiyani oshirishga yordam beradi. Inson hayotida psixologik faktorlar Inson hayoti ko'plab turli omillar bilan…
Texnologiya ta'lim jarayonini o'zgartirib, o'quvchilarga yangi imkoniyatlar yaratadi, lekin muammolar ham mavjud. Texnologiyaning ta'limga ta'siri Bugungi kunda texnologiya ta'lim jarayonini tubdan…
Photosynthesis is the process by which plants, algae and some bacteria convert light energy into chemical energy, producing organic compounds from carbon dioxide and water and releasing oxygen. Where…
Renewable energy is energy obtained from sources that replenish naturally on a human timescale — sunlight, wind, flowing water, biomass and heat from the Earth's interior. Main sources Solar —…
Climate change refers to long-term shifts in temperature and weather patterns. Since the industrial era, the dominant driver has been human activity, above all the burning of fossil fuels, which…
A vaccine is a preparation that trains the immune system to recognise and fight a specific pathogen without causing the disease itself. How immunity is built The immune system remembers pathogens it…
Antibiotics are medicines that kill bacteria or stop them from multiplying. They are ineffective against viruses, which is why they do not treat colds or influenza. How they work Different classes…
The Solar System consists of the Sun and everything gravitationally bound to it: eight planets, their moons, dwarf planets, asteroids, comets and interplanetary dust. The Sun The Sun contains the…
A black hole is a region of space where gravity is so strong that nothing, not even light, can escape from within its boundary. The event horizon The event horizon is not a physical surface but a…
DNA, or deoxyribonucleic acid, is the molecule that carries genetic instructions in almost all living organisms. Structure DNA is a double helix: two strands wound around each other. Each strand is a…
Nutrition is the study of how food affects the body: how it is digested, absorbed and used to sustain growth, repair and activity. Macronutrients Carbohydrates — the body's primary energy source…
Fotosintez — yashil o'simliklar, suvo'tlar va ayrim bakteriyalarning yorug'lik energiyasidan foydalanib, karbonat angidrid va suvdan organik modda hosil qilish jarayoni. Bu Yerdagi deyarli barcha…
Orol dengizi — Markaziy Osiyodagi, O'zbekiston va Qozog'iston chegarasida joylashgan ichki suv havzasi. XX asr o'rtalarida u dunyodagi eng yirik ko'llar qatoriga kirgan, ammo keyingi o'n yilliklarda…
Vulqon — Yer po'stlog'idagi yoriq bo'lib, u orqali magma, gazlar va kul yer yuzasiga chiqadi. Yer yuzasiga chiqqan magma lava deb ataladi. Vulqonlar quruqlikda ham, okean tubida ham uchraydi va…
Qandli diabet — organizmda qon shakarini (glyukozani) boshqarish buzilishi natijasida qonda glyukoza miqdori surunkali ravishda oshib ketadigan kasallik. Sabab insulin gormonining yetishmasligi yoki…
Uyqu gigiyenasi — sifatli va yetarli uyquni ta'minlaydigan odatlar va sharoitlar majmuasi. Uyqu dam olishning passiv holati emas: shu vaqtda xotira mustahkamlanadi, to'qimalar tiklanadi, immunitet va…
Kitob chop etilgan yoki qoʻlyozma shaklida maʼlumot, bilim, hikoya yoki gʻoyalarni oʻz ichiga olgan, muqovasi bilan birga bogʻlangan qogʻoz varaqlaridan iborat nashr. Kitoblar insoniyat tarixining…
Dori, tibbiyotda ishlatiladigan modda yoki moddalar aralashmasi bo‘lib, kasalliklarni davolash, oldini olish yoki tashxislash uchun mo‘ljallangan. Dorilar inson organizmiga ta’sir etib, uning…
Wikipedia — dunyodagi eng katta ochiq ensiklopediya bo'lib, 300 dan ortiq tilda ishlaydi va butunlay ko'ngillilar tomonidan yoziladi. So'nggi yillarda uning ishida sun'iy intellekt (SI) tobora katta…
Kiberxavfsizlik 21 asrda global ahamiyatga ega bo'lgan muhim masala hisoblanadi. Axborot texnologiyalari jamiyat hayotining barcha sohalariga chuqur kirib borgan sari, kiberxurujlar xavfi ham ortib…
Fizika – tabiat haqidagi fan bo'lib, uning asosiy vazifasi moddiy olamning umumiy xususiyatlari va qonuniyatlarini o'rganishdir. U materiyaning tuzilishi, harakati va o'zaro ta'sirlashuvini…
Sun'iy intellekt (SI) – bu inson aqliga xos bo'lgan kognitiv funktsiyalarni bajarishga qodir kompyuter tizimlari va dasturlarining keng sohasidir. Bularga o'rganish, muammolarni hal qilish, qaror…
Tasodifiylik, hodisalar, jarayonlar yoki natijalarning oldindan aytib bo'lmasligi yoki bashorat qilishning qiyinligi bilan tavsiflanadigan tushunchadir. Bu atama, odatda, deterministik qonuniyatlarga…
Texnologiya – insoniyatning ehtiyojlarini qondirish, hayot sifatini yaxshilash hamda atrofmuhitni o‘zgartirishga qaratilgan bilim, mahorat, uskunalar va jarayonlar majmuidir. U fan va injeneriya…