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oral-b black friday health deals livescience

Black Friday Oral B electric toothbrush deals: What's on sale

By Sarah Finley

DEAL Here is our roundup of the best Black Friday Oral B electric toothbrush deals so you can take care of your teeth for less.

Check out these Black Friday treadmill deals on Horizon Fitness treadmills.

Our editor's favorite treadmill is $700 off this Black Friday

By Jeanna Bryner

Deals Here's why this is my favorite Black Friday treadmill deal, hands down.

This Philips Sonicare DiamondClean Black Friday deal gets you 33% off.

Black Friday deal! $100 off the Philips Sonicare DiamondClean toothbrush

By Live Science Staff

Deals This smart Philips Sonicare DiamondClean Black Friday deal gives you 34% off this incredible flagship toothbrush.

Circuit Fitness Deluxe Foldable Magnetic Rowing Machine deal

Save 28% on a Circuit Fitness Deluxe Rowing Machine for Black Friday

By Live Science Staff

Deals Amazon has reduced the price of this deluxe rowing machine by $90.64 in this amazing Black Friday rowing machine deal.

Check out our roundup of the best Black Friday slime kit deals. Here, a child plays with slime with their hands.

Save on Slime Kits this Black Friday

By Kimberly Hickok

For the kids (or adults) in your life who can't get enough slime, here are the best Black Friday slime kit deals for 2021.

Black Friday Garmin deals: Image of Garmin watch

Black Friday Garmin deals: Save up to $250 on these smartwatches

By Maddy Biddulph

Deals Live Science scoured retailers to round up the best Black Friday Garmin deals, for a range of sleek smartwatches.

Planet Earth

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green lens, black binoculars pictured at center of image with mountain scene in the background

Black Friday compact binocular deal saves 17% on Byakov 12x42s

By Morgan Bailee Boggess McCoy

Deals Ideal for hunting, birdwatching, and more, this Black Friday compact binoculars deal knocks $6 off the regular price!

Deals
Sunlit leaves, photosynthesis

What is photosynthesis?

By Daisy Dobrijevic

Reference Photosynthesis is the process used by plants, algae and certain bacteria to turn sunlight, carbon dioxide and water into food (sugars) and oxygen.

Reference
  1. An artist's impression of the Milky Way's center, using data from the Fermi Gamma-Ray Space Telescope.
    1
    Astronomers discover enormous 'barrier' separating the center of the Milky Way from the cosmic ray sea
  2. 2
    Hallucinogen in 'magic mushrooms' relieves depression in largest clinical trial to date
  3. 3
    Never-before-seen rocks found in these exoplanet graveyards
  4. 4
    Diamond hauled from deep inside Earth holds never-before-seen mineral
  5. 5
    Natural selection has been acting on hundreds of human genes in the last 3,000 years
  1. Many local people believe the enormous pit is a prison for genies and a gateway to the underworld.
    1
    Cavers discover snakes and waterfalls inside Yemen's infamous 'Well of Hell' in world-first descent
  2. 2
    Ultrahot 'superionic' ice is a new state of matter
  3. 3
    Hallucinogen in 'magic mushrooms' relieves depression in largest clinical trial to date
  4. 4
    Americans celebrated Thanksgiving during a pandemic before. Here's what happened.
  5. 5
    Alien organisms could hitch a ride on our spacecraft and contaminate Earth, scientists warn

Space and Physics

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The Prawn Nebula (IC 4628) is a massive stellar nursery located about 6,000 light-years from Earth.

Hubble telescope captures stunning image of the star-forming Prawn Nebula

By Samantha Mathewson

The Hubble Space Telescope has captured a stunning view of the Prawn Nebula floating through deep space.

Seven Earthlike planets make up the TRAPPIST-1 solar system.

TRAPPIST-1 solar system that's home to potentially habitable planets was not bombarded by rocks like early Earth

By Tereza Pultarova

Earthlike planets that dance in sync around a nearby dim star couldn't have been bombarded by space rocks in their early formative years like our planet was, a study suggests.

History

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All About History magazine covers

Black Friday sale: Read a free issue of All About History magazine and save 50% on a subscription

By All About History

Subscribe to our sister publication today and take advantage of this amazing half-price Black Friday sale offer

The pyramids of Egypt.

Why did ancient Egyptian pharaohs stop building pyramids?

By Owen Jarus

Modern Egyptologists have several ideas as to why the ancient Egyptians stopped building pyramids.

Health

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oral-b black friday health deals livescience

Black Friday Oral B electric toothbrush deals: What's on sale

By Sarah Finley

DEAL Here is our roundup of the best Black Friday Oral B electric toothbrush deals so you can take care of your teeth for less.

DEAL
Best protein powder: Man putting whey protein with amino acids bodybuilding dietary supplement in shaker

Best protein powder in 2021: Choose the right fuel for you

By Patricia Carswell, Timothy Williamson

BUYING GUIDE Take a look at the best protein powder products to suit your training goals and dietary needs.

BUYING GUIDE
This Philips Sonicare DiamondClean Black Friday deal gets you 33% off.

Black Friday deal! $100 off the Philips Sonicare DiamondClean toothbrush

By Live Science Staff

Deals This smart Philips Sonicare DiamondClean Black Friday deal gives you 34% off this incredible flagship toothbrush.

Deals

Animals

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Octopuses are one of several marine invertebrates to be recognized as sentient by changes to a new animal welfare bill.

New UK bill recognizes cephalopods and some crustaceans as sentient beings

By Harry Baker

The U.K. government has included cephalopods and some crustaceans in a new bill that recognizes sentient animals.

Zebras have distinctive black-and-white hides, and the stripes are unique to each individual.

Are zebras white with black stripes or black with white stripes?

By Jennifer Welsh

Zebras' black-and-white coloration is iconic, but what color are their stripes?

A bigfin squid swims in the deep sea.

Eerie video captures elusive, alien-like squid gliding in the Gulf of Mexico

By Nicoletta Lanese

The bigfin squid has a ghostly pale appearance and long, spindly tentacles.

Strange News

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Photograph of submariners standing on top of the Seawolf-class fast-attack submarine USS Connecticut in the water at Naval Base Kitsap-Bremerton, Washington, May 7, 2018.

Nuclear-powered US submarine collided with a hidden underwater mountain, Navy reveals

By Harry Baker

An investigation into a recent collision involving a nuclear-powered U.S. submarine has revealed it hit an unmapped seamount in the South China Sea.

The SETI Institute's Allen Telescope Array (ATA) searches our galaxy for radio signals from potential intelligent alien life.

Why extraterrestrial intelligence is more likely to be artificial than biological

By Martin Rees

Lord Martin Rees argues that if humans do find intelligent alien life, it will be artificial not biological.

What would happen if light traveled much more slowly?

What would happen if the speed of light was much lower?

By Ashley P. Taylor

Here's what would happen if the speed of light were orders of magnitude slower.

Culture

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Waving a transgender flag during a gay pride march.

What does transgender mean?

By Alina Bradford, Timothy Williamson

Reference The term transgender describes people whose gender identity differs from the sex to which they were assigned at birth.

Reference
Buddhism is a big part of some Eastern cultures. Here, three buddhist monks walking to Angkor Wat temple.

What is culture?

By Kim Ann Zimmermann, Stephanie Pappas

Culture is the characteristics and knowledge of a particular group of people, encompassing language, religion, cuisine, social habits, music and arts.

Two women with similar personality traits laughing in conversation.

Personality traits & personality types: What personality type are you?

By Stephanie Pappas, Ben Biggs

REFERENCE What makes you, you? Psychologists sketch out personality traits using the "Big Five".

REFERENCE

Tech

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Great Black Friday microscope deal on this Swift Binocular Compound Microscope.

Black Friday microscope deal saves you $60 on this Swift microscope

By Jeanna Bryner

Deals With this Black Friday microscope deal, you save 20% on a high-powered compound microscope.

Deals
Here's a look at the best microscopes for kids. Shown here, a girl looking through a microscope.

Best microscopes for kids 2021

By Timothy Williamson, TJ Fink

Perfect for every skill level and budget, these are the best microscopes for kids right now

Black Friday National Geographic kits deals: Image of volcano kit

Black Friday National Geographic science kit deals - perfect kids gifts

By Molly Cleary

Deals Expand young minds with National Geographic Kits on sale this Black Friday, including a fossil dig kit & a magic chemistry set.

Deals