When this happens, the stain "disappears." When bleach oxidizes the ketchup on your T-shirt, the ketchup stops being able to absorb light. It then appears white, like the rest of the shirt. The remains of the ketchup can still be there; you just won't see the stain anymore. Soaking ...
skip to main content health what happens if you lose your sense of taste? we've all wished that we could easily refuse a heaping plate of pasta without being tempted to indulge. but when one woman's sense of taste suddenly vanishes, she finds that food is more than a matter of ...
It often happens around the last few weeks of pregnancy, especially if you're 38 or 39 weeks pregnant. Some people might lose it earlier, while others might not notice it until labor begins. If you're 39 weeks pregnant and losing your mucus plug, it may be a sign that labor starts so...
“thinking about meeting” or “worrying about the meeting.” Or, if you suddenly become sad when you remember a fond memory, you might silently say, “feeling sad about X memory.” If you feel excited about a date you have in the evening, tell yourself, “feeling...
Aspiration pneumonia is a lung infection that develops after you aspirate (inhale) food, liquid, or vomit into your lungs. You can also aspirate food or liquid from your stomach that backs up into your esophagus. If you are not able to cough up the aspirated material, bacteria can grow in...
So, how does this work? How do predators eat animals that are venomous? What happens when they eat body parts that contain large doses of venom, such as the tail of a scorpion or the head of a snake? However, before we get to that, it helps to understand the basic differe...
Sip on cool, clear liquids (such as tea, apple juice, and ginger ale) frequently throughout the day. Improve breath. Chemotherapy can leave you with a bad, or metallic, taste in your mouth, which may make nausea worse. If this happens, you can eat popsicles or suck on hard candy with...
In contrast, if you ascend rapidly, the nitrogen comes out of your blood quickly, forming bubbles. It's like opening a can of soda: You hear the hiss of the high-pressure gas and you see the bubbles caused by the gas rapidly coming out of solution. This is what happens in your blood...
Parents, if you suspect your child may be using or abusing prescription or nonprescription medicines, there are some steps you can take: Come right out and ask. Look for signs and symptoms of drug use (such as doing poorly in school, engaging in risky behaviors, frequent fighting with famil...
What happens to the gravitational energy of a firefighter when he slides down the fire poles? What will happen to the convection currents in the mantle if the Earth's interior eventually cools down? Why does cold mountain air become warm whe...