DNVN - Việc băng trôi nổi trên mặt nước thay vì chìm xuống đáy là một hiện tượng tự nhiên quen thuộc nhưng lại ẩn chứa nhiều điều thú vị về vật lý học. Dù là những viên đá nhỏ trong ly cocktail hay những khối băng lớn làm bè cho hải cẩu Bắc Cực, hiện tượng này đều bắt nguồn từ mật độ và cấu trúc phân tử đặc biệt của nước.

DNVN - Despite global economic uncertainty, Southeast Asia (SEA) continues to show resilience in its startup ecosystem. In Q1 2025, sectors such as fintech, healthtech, and climate tech are drawing significant investor attention across the region.

DNVN - A linear "take, make, waste" approach is employed by conventional food and agricultural production systems. This approach involves the extraction of natural resources from the Earth to produce food and fuel, the generation of waste that contaminates the soil and water, and the emission of harmful pollutants.

DNVN - Summer 2023 was the warmest in the Northern Hemisphere in the last two thousand years, according to research, surpassing the coldest summer of the same era by nearly four degrees.

DNVN - Scientists in the UNC-Chapel Hill Chemistry Department are utilising semiconductors to capture and transform solar energy into powerful compounds that could potentially generate eco-friendly fuels.

DNVN - A recent study done by the University of Amsterdam (UvA) shows categorically that the more the uneasiness and anxiety of a situation, the more likely people are to become unduly optimistic - even to the point of preventing us from taking necessary action.

DNVN - An increased number of zoonotic and emerging infectious diseases, such as new coronaviruses and ebola, arise due to heightened human activities, including deforestation, agricultural land expansion, and increased wildlife hunting and trading.

DNVN - What happens when you take a brief walk during a lunch or afternoon break on a hot summer day, as so many students and office workers do? It turns out that you may want to avoid the heat.

DNVN - Even if a workplace is air-conditioned, new research demonstrates that hot weather reduces worker productivity.

DNVN - According to new research, the global economy will grow more slowly than economists predicted in the 21st century, which has implications for our ability to adapt to climate change in the coming decades.

DNVN - A group of researchers has developed a new supply chain model that could benefit the global hydrogen renewable energy industry.

DNVN - According to new research, the global economy will grow more slowly than economists predicted in the 21st century, which has implications for our ability to adapt to climate change in the coming decades.

DNVN - If present greenhouse gas emissions continue, important ocean currents that disperse heat, cold, and precipitation between the tropics and the northernmost portions of the Atlantic area would cease to exist around the year 2060.

DNVN - Degrowth policies would protect human needs and well-being while effectively combating climate change and biodiversity loss.

DNVN - Studies have shown that being in a hot environment reduces cognitive performance, whereas a brief walk enhances cognition. But what happens when you go for a brief walk on a hot summer's day, as so many students and office workers do during lunch or an afternoon break? Turns out, you might be better off avoiding the heat.