What is selenium good for? It plays a critical role in metabolism and thyroid function and helps protect your body from damage caused by oxidative stress. What’s more, selenium may help boost your immune system, slow age-related mental decline, and even reduce your risk of heart disease. Where does selenium occur naturally? Selenium is mostly […]
What happens when light hits a rod cell?
What happens when light hits a rod cell? When light hits photoreceptive pigments within the photoreceptor cell, the pigment changes shape. The retinal exists in the 11-cis-retinal form when in the dark, and stimulation by light causes its structure to change to all-trans-retinal. How does a rod cell work? Rod cells are stimulated by light […]
Is the UK still in ESA?
Is the UK still in ESA? The UK remains a member of the European Space Agency ( ESA ) and continues to participate in the Copernicus Space Component (CSC-4) of the Copernicus programme through ESA . Where is Europe’s Spaceport? French Guiana Why is ESA in French Guiana? The location was selected in 1964 to […]
How deep is the water under the Golden Gate Bridge?
How deep is the water under the Golden Gate Bridge? 370 feet How many died building Golden Gate Bridge? 11 Are there bodies in the Golden Gate Bridge? Between 1937 and 2012, an estimated 1,400 bodies were recovered of people who had jumped from the Golden Gate Bridge, located in the San Francisco Bay Area […]
How do weather stations collect data?
How do weather stations collect data? Weather instruments collect data from all over the world at thousands of weather stations (figure below). Many are on land, but some float in the oceans on buoys. Weather stations collect data on land and sea. Weather balloons, satellites, and radar collect data in the atmosphere. Which tool do […]
Do drop-down menus hurt SEO?
Do drop-down menus hurt SEO? Nope! In-fact, drop-down menus can help your user experience but they do not effect your SEO. A drop-down menu can help a user see which categories may have which sections in them so they are often highly suggested. How many items are in a drop-down? If you have a very […]
Can you lose weight by walking 1 mile a day?
Can you lose weight by walking 1 mile a day? Walking is a moderate-intensity exercise that can be easily incorporated into your daily life. In fact, walking just one mile burns about 100 calories. If you want to lose weight, you’ll get the best results by combining your increase in physical activity with healthy changes […]
Is 5000 lumens a lot?
Does wiping off sweat help cool the body?
Does wiping off sweat help cool the body? As each gram of sweat transitions from liquid to gas phase, it absorbs 2,427 joules of energy from the body and dissipates the heat into the environment. But if you wipe away the perspiration before it evaporates, that process will get cut short, and you’ll need to […]
How does chlorophyll use light energy?
How does chlorophyll use light energy? Chlorophyll’s job in a plant is to absorb light—usually sunlight. The energy absorbed from light is transferred to two kinds of energy-storing molecules. Through photosynthesis, the plant uses the stored energy to convert carbon dioxide (absorbed from the air) and water into glucose, a type of sugar. What part […]