It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid increase in microorganisms capable of performing photosynthesis. Researchers ...

It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid ...

Researchers from the University of Tokyo provide a mechanism to explain precursor oxygenation events “whiffs,” which may have ...

The Feynman Technique, created by physicist Richard Feynman, is a learning method used by universities like Harvard. It ...

The most surprising factor making your allergies worse year after year isn’t pollution or new plant species—it’s climate ...

Biogeochemical cycles billions of years ago. A complex web of interactions between geological features including volcanoes, ...

Tabulata and Rugosa are orders of extinct corals that have been taxonomically described for more than 170 years. They were ...

A researcher at Ohio State University says patience can be key when evaluating early planted soybeans. Dr. Alex Lindsey, ...

How can we produce clean hydrogen without burning fossil hydrocarbons or other non-renewable energy sources? We can do so ...

We tested four different green food dyes, including pandan powder, matcha, spinach powder, and spirulina powder. To determine ...

Plants need water to make their own food. This is called photosynthesis. It happens in plant leaves. Plants also need carbon dioxide from air and sunlight to make their food. Slide 1 of 3 ...

Mar. 5, 2025 — Some bacteria deploy tiny spearguns to retaliate against rival attacks. Researchers mimicked attacks by poking bacteria with an ultra-sharp tip. ... Scientists Discover Genes to ...