DeKa – Page 10 – Nature Observer

The Most Dangerous Volcanoes in the World

Not all volcanoes pose the same risk. A volcano’s danger depends on its eruption style, population density nearby, and history of activity. Some volcanoes erupt explosively, releasing ash, pyroclastic flows,…

DeKa September 29, 2025

Nature Our Planet Pets

Why Birds Sing and How It Happens

Birdsong serves multiple purposes in the life of birds. It is not just a pleasant sound for humans but a critical tool for survival and reproduction. Birds sing to attract…

DeKa September 29, 2025

Climate Environmental Hazards What if?

What Would Happen if the Aira Caldera Erupted?

The Aira Caldera is a massive volcanic depression in southern Kyushu, Japan. It formed about 22,000 years ago during one of the largest eruptions in Japanese history. Today, within the…

DeKa September 29, 2025

Climate Environmental Hazards Our Planet

The Eruption of Hunga Tonga–Hunga Haʻapai

Hunga Tonga–Hunga Haʻapai is a submarine volcano located in the South Pacific, part of the island nation of Tonga. It lies along the Tonga–Kermadec subduction zone, one of the most…

DeKa September 29, 2025

Climate Environmental Hazards Our Planet

Super Tsunamis: Causes and Consequences

A super tsunami is a rare and catastrophic type of tsunami, much larger and more destructive than typical ones. While ordinary tsunamis are usually caused by underwater earthquakes or landslides,…

DeKa September 28, 2025

Environmental Hazards Our Planet

Why Deep-Focus Earthquakes Occur and Their Connection to Rising Magma

Deep-focus earthquakes are seismic events that occur at depths greater than 300 km below Earth’s surface, sometimes reaching 700 km. Unlike shallow earthquakes, which are linked to surface faults and…

DeKa September 28, 2025

Climate Environmental Hazards Our Planet

What Heats the Earth from Within

The Earth is not only warmed by the Sun but also heated from within. This internal heat is a driving force behind volcanic eruptions, earthquakes, and the movement of tectonic…

DeKa September 28, 2025

Guardians of Nature Pets

Veterinary Science: Protecting Animal Health

Veterinary science is the branch of medicine that focuses on the health, prevention, diagnosis, and treatment of diseases in animals. It covers a wide range of species, from pets and…

DeKa September 28, 2025

Be smart Pets

Why Animals Shed and How It Happens

Shedding is the natural process by which animals lose old or damaged hair, fur, feathers, or skin. It helps maintain healthy body coverings, adapt to seasonal changes, and protect against…

DeKa September 27, 2025

Green City Nourished Future Tech & Nature

Biofuel: An Alternative Energy Source

Biofuel is a type of renewable energy made from biological materials such as plants, algae, and animal waste. Unlike fossil fuels, which take millions of years to form, biofuels can…

DeKa September 27, 2025