DeKa – Page 12 – Nature Observer

Autumn: What Makes This Season Unique for Nature and People?

Autumn is a season of transition. Summer warmth begins to fade, daylight becomes shorter, plants slow their growth, animals prepare for winter, and landscapes can change color almost week by…

DeKa September 14, 2026

Ecology Green City Nourished Future

Brown Algae and Biofuel: Can We Really Make Gasoline from Marine Plants?

The idea of making fuel from seaweed sounds futuristic, but scientists have been exploring it for years. Marine algae grow quickly, do not require farmland, and can absorb carbon dioxide…

DeKa September 13, 2026

Green City News Nourished Future

Urban Vertical Farms: Growing Lettuce Inside Skyscrapers

Cities consume enormous amounts of food, yet most of that food is grown far away. Vegetables may travel hundreds or even thousands of kilometers before reaching supermarkets and restaurants. During…

DeKa September 12, 2026

Ecology News Tech & Nature

Nuclear Energy Since Chernobyl: What Has Changed in Safety, Technology, and Reactor Design?

The Chernobyl disaster of 1986 became one of the defining events in the history of nuclear power. It exposed severe weaknesses in reactor design, operating culture, emergency preparedness, and institutional…

DeKa September 11, 2026

Climate Crisis Tech & Nature

Climate Change and Transportation: Softening Asphalt, Buckling Rails, and the Infrastructure Challenge

Transportation systems are built around assumptions about temperature. Road engineers choose asphalt mixtures for expected summer heat. Railway designers calculate how steel rails will expand and contract through the seasons.…

DeKa September 10, 2026

Crisis Global Challenges Our Planet

Africa’s Biggest Challenges: Why They Are So Difficult to Solve

Africa is one of the most diverse and resource-rich continents on Earth, yet many of its countries still face serious development challenges. These challenges include poverty, weak infrastructure, conflict, rapid…

DeKa September 10, 2026

Be smart Our Planet Tech & Nature

Africa: Geography, People, Wildlife, Cultures, and a Continent of Extraordinary Diversity

Africa is often described in simple terms: deserts, safaris, ancient civilizations, and dramatic landscapes. In reality, it is one of the most diverse regions on Earth, with vast differences in…

DeKa September 10, 2026

Climate Ecology Nature

How the Sun Affects Us and Our Planet

The Sun is far more than a bright object in the sky. It is the primary energy source for life on Earth, driving climate, weather, photosynthesis, ocean circulation, and many…

DeKa September 10, 2026

Nature News Our Planet

Solar Lakes: Natural Water Bodies That Store the Sun’s Heat

Some lakes do far more than simply absorb sunlight during the day. Under the right conditions, they can capture solar energy, trap it deep underwater, and preserve that heat for…

DeKa September 10, 2026

Ecology Guardians of Nature Nourished Future

Phytoremediation: How Plants Can Clean Heavy Metals from Contaminated Soil

Heavy-metal contamination is one of the most difficult forms of soil pollution to manage. Metals such as lead, cadmium, arsenic, chromium, nickel, and mercury do not simply disappear with time.…

DeKa September 9, 2026