Leaves in the spring and summer are mostly a pretty uniform green color. For that, you can thank the chemical compound known as chlorophyll. Chlorophyll is responsible for the process of photosynthesis, which takes sunlight and converts it into the sugars needed to sustain the tree. There are a variety of other chemical compounds, with characteristic colors other than green, always present in the leaves; however, the green chlorophyll dominates and masks your ability to see them.
More Science Matters
On Dec 7, 1972 Apollo 17 astronauts took a photo of the Earth that would go on to be known as the Blue Marble. This was one of the most famous photos taken of the entire planet from space. Soon after this photo was released the conservation movement took off at top speed. We were finally given a visual of the home that all humans, regardless of nationality or political affiliation, commonly share.
The end of Daylight Saving Time (NOTE: No “s” on “Saving”!) is THE ultimate sign of Autumn! Do you know the history?
As first responders, paramedics and emergency medical technicians (EMTs) must always be ready to jump into action. They must be knowledgeable, quick-thinking, logical, composed, compassionate, and, when the situation arises, innovative to ensure their patients get the best care possible. With each workday comes the possibility of new challenges. No two situations are the same, because no two patients are the same.