What does the summer solstice mean spiritually? Here, at the Summer Solstice, the longest day of the year, we are fully awake. Our spirits are alive, refreshed, renewed, energized; all that good, juicy, rich stuff we feel in the sun. On these long days of summer our spirits yearn to be out, to feel alive, […]
Can you feel when your brain is touched?
Can you feel when your brain is touched? How much you empathize with other people seems to reflect how strongly your brain—your primary somatosensory cortex—“feels with” them when you see them being touched. Of course, all these claims require further investigation. And, of course, empathy is a complex phenomenon. Does the brain touch the skull? […]
Can two electrons attract each other?
Can two electrons attract each other? Show animations and explain that protons and electrons have opposite charges and attract each other. Project the animation Protons and Electrons. Explain to students that two protons repel each other and that two electrons repel each other. But a proton and an electron attract each other. What happens when […]
What frequency makes you smarter?
What frequency makes you smarter? The highest frequency brain waves are apparently called gamma waves. These waves can have a frequency of anywhere between 25 and 100 Hz. People whose brains produce more gamma waves are said to have greater ability to concentrate, focus and experience higher levels of cognition. Will reading increase IQ? It […]
Can you stop while merging?
Can you stop while merging? Do not stop before merging into freeway traffic, unless it is absolutely necessary. Freeway traffic has the right-of-way. When it is safe, follow the “3-second rule” (refer to the “Do not be a tailgater!” section). Do not try to merge into a gap that is too small. Why is the […]
Is a shovel a first class lever?
How many types of investigation are there?
How many types of investigation are there? Scientists use three types of investigations to research and develop explanations for events in the nature: descriptive investigation, comparative investigation, and experimental investigation. What are some investigative techniques? For countless years, criminal investigators have relied on six basic investigative techniques to solve crimes; i.e., (1) the development of […]
What are the two major types of animals?
What are the two major types of animals? The Animal Kingdom About 75% of all species on Earth are animals. Animals are then broken down into two types: vertebrates and invertebrates. Animals with a backbone are vertebrates. What are the 11 Phylums? A Brief List Of 21 Animal Phyla Phylum Porifera (Sponges) Phylum Coelenterata (Cnidaria) […]
Does tension increase as length increases?
Does tension increase as length increases? Researchers have found that both of these structures can contribute to passive tension during muscle fiber elongation. As the muscle fiber (and therefore each sarcomere within it) is tested at longer lengths, the available sites for myosin to bind to actin are increased, and the amount of force increases. […]