Allergic Reaction Search Results

How To: Here's How You Can Make a Real Difference in the Aftermath of the Michael Brown & Eric Garner Grand Jury Decisions

In the aftermath of the unindicted police killings of Michael Brown and Eric Garner, we've been told that the system worked as intended. When our legal system's outcome is at conflict with what a majority of Americans believe is just, it's clear that some changes are needed. But what specifically needs to change? And what can an average citizen with a moral and just cause do to prevent these kinds of tragedies from repeating themselves again and again?

How To: Your iPhone's Messages App Has 22 New Must-Try Features — And You Probably Didn't Know About Half of Them

Your iPhone's Messages app has some impressive new features and changes with iOS 17, and you've probably already noticed some of them just by using the updated app. But there are less apparent features, even hidden ones, that have likely eluded you that you're going to want to know about. There are even some new Messages features yet to be officially released.

How To: Create Still or Animated Live Stickers from Your iPhone Photos to Use in Messages, Notes, and More

Apple just upped its sticker game on iPhone and iPad. We've already had stickers available for Memoji, Fitness activities, and third-party iMessage apps, but only some could be used outside the Messages app. Now we can use stickers practically anywhere from the new stickers drawer, with fun emoji stickers to boot. Even better, we can stickerize the subjects of our own photos and videos, including animations.

How To: 23 Things Your iPhone's Volume Buttons Can Do Besides Volume Adjustments

The volume buttons on the side of your iPhone can do more than just adjust the volume levels for media, ringers, alerts, Siri, and other sounds and voices. You can use them to perform different actions in certain apps and even create custom actions using the Shortcuts app. It's not exactly button mapping, but it's as close as you'll get without jailbreaking iOS.

How To: 15 Hidden iMessage Features for iPhone You Probably Didn't Know About

There are many things Apple doesn't tell you about its products, and that's definitely the case when it comes to its Messages app. Hidden features lurk in your SMS and iMessage conversations just waiting to be found, and we've unearthed some of the most secret ones.

Android 10 Changelog: 60 New Features You Should Know About

|Choose Your View: Quick Bullet Points | Detailed Descriptions Android's newest major update is a special one — it's the tenth full version of the world's most commonly used operating system. The latest release, dubbed simply Android 10 (codename Android Q), was first showcased as a beta back in March 2019, so we've been digging around in it for several months. There's one dramatic visual change, plus there are a lot of goodies in general.

How To: Make the Touch ID Fingerprint Sensor Work Perfectly on Your iPhone Every Time

Since its introduction on the iPhone 5S, Touch ID has made unlocking Home button iPhones quick and secure. The second-generation iPhone SE brought back the beloved feature in 2020 but didn't take any steps to improve on the technology. So if you're rocking Touch ID and having trouble getting it to read your fingerprints, there are some things you can do to fix it.

How To: 16 Harry Potter Spells for Siri That Turn Your iPhone into a Magical Elder Wand

Your days as an ordinary Muggle are over — as long as you have an iPhone. With just a word or two, you can use your iPhone and newfound Muggle-born powers to cast spells or utilize charms just like Harry Potter and team. Only your "wand" is from Apple, not Ollivanders in Diagon Alley.

How To: Perform reflux with addition in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...

How To: Use a Dean Stark apparatus in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...

How To: Set dry ice on fire

Kent Chemistry offers up some of the most exciting chemistry and general science experiments from their lab. Here Mr. Kent illustrates the process of creating fire with dry ice. How does freezing and flame mix? Watch now to see the amazing chemical reaction!

How To: Perform simple reflux in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...

How To: Make up a standard solution in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...

How To: Carry out a titration in the lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...

News: Insanely Talented and Neurotic Pumpkin Carver Is Allergic to Pumpkins

You've met the anal retentive pencil sculptor. Now, meet the anal retentive pumpkin sculptor. Ray Villafane is very talented, obsessively dedicated and as you'll see in the video below, appears to be quite neurotic (in a great way). If you're knocked out by what you see, Ray has generously shared a pumpkin sculpting tutorial for taking a stab at it (no pun intended). Previously, Anal-Retentive Miniscule Pencil Tip Carvings.

How To: Treat poison ivy

Poison ivy and its nasty cousins, poison sumac and poison oak strike year round. Poison ivy is found as a vine, it has 3 leaves and can have berries. The poison is called urushiol. If exposed, wash with hot soapy water immediately. Mild reactions can be treated with antihistamines and hydrocortisone cream for itching. Serious reactions need medical attention immediately. Treat poison ivy.

How To: Launch a Cork Rocket with an Ultraviolet LED Flashlight

Science is most marvelous when it's creating an explosion, even at the tiniest of proportions. In the video below, Daniel Rosenberg from Harvard's Natural Science Lecture Demonstration Services reveals the secret to shooting a cork rocket over twenty meters using a little chemistry and an ultraviolet LED light. Rosenberg, who's a research assistant and lecturer for the Natural Science division at Harvard, demonstrates what happens when hydrogen and chlorine are explosively "burned" together t...

How To: Make chemical stalagmites

Check out this science experiment video on how to chemical stalagmites. Chemist Chris Schrempp (star high school teacher and author of the book Bangs, Flashes, and Explosions) walks host Chris Hardwick through the process of making chemical stalagmites and some cool exothermic reactions similar to hand warmers.

How To: Clean coffee from a carpet

When you spill coffee on a carpet, your first reaction might reasonably be PANIC. However, removing annoying coffee stains is not as hard as you might think. Here's a quick and easy way to really lift that coffee from your carpet. Clean coffee from a carpet.

How To: Improve your speed, accuracy, and agility for tennis

Tennis professional Francis Ribeiro demonstrates three drills you can do to improve your speed, accuracy, and agility: ground-stroke rally, volley volley drill, and killer put-aways. Volley volley drills help develop reactions and control. These drills will dramatically improve your tennis game. Improve your speed, accuracy, and agility for tennis.

How To: Distill a volatile product in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...

How To: Perform infrared spectroscopy in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...