Renewable energy EN
Renewable energy is energy obtained from sources that replenish naturally on a human timescale — sunlight, wind, flowing water, biomass and heat from…
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Climate change EN
Climate change refers to long-term shifts in temperature and weather patterns. Since the industrial era, the dominant driver has been human activity…
The Silk Road EN
The Silk Road was a network of trade routes connecting East Asia with Central Asia, the Middle East, and Europe. It operated for roughly fifteen…
Samarkand EN
Samarkand is one of the oldest continuously inhabited cities in Central Asia and among the most significant historical cities of the region. It lies…
Cryptography EN
Cryptography is the science of protecting information so that it can be read only by intended parties, and of verifying that data has not been…
The Internet EN
The Internet is a global network of interconnected computer networks that communicate using a shared set of protocols. It is not a single system…
Vaccines EN
A vaccine is a preparation that trains the immune system to recognise and fight a specific pathogen without causing the disease itself. How immunity…
Antibiotics EN
Antibiotics are medicines that kill bacteria or stop them from multiplying. They are ineffective against viruses, which is why they do not treat…
The Solar System EN
The Solar System consists of the Sun and everything gravitationally bound to it: eight planets, their moons, dwarf planets, asteroids, comets and…
Black holes EN
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…
DNA EN
DNA, or deoxyribonucleic acid, is the molecule that carries genetic instructions in almost all living organisms. Structure DNA is a double helix: two…
Cybersecurity EN
Cybersecurity is the practice of protecting computer systems, networks and data from unauthorised access, damage or disruption. The three basic goals…
Electric vehicles EN
An electric vehicle (EV) is a vehicle driven by one or more electric motors, using energy stored in a battery rather than fuel burned in an engine…
Uzbekistan EN
Uzbekistan is a country in Central Asia, bordered by Kazakhstan, Kyrgyzstan, Tajikistan, Afghanistan and Turkmenistan. It is one of only two doubly…
Nutrition EN
Nutrition is the study of how food affects the body: how it is digested, absorbed and used to sustain growth, repair and activity. Macronutrients…
Open source software EN
Open source software is software whose source code is publicly available, with a licence granting the right to study, modify and redistribute it…
Databases EN
A database is an organised collection of data together with the software that stores, retrieves and updates it. That software is called a database…
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