Hurry! These Prime Day science deals are still live today

Save 31% on our favorite budget-friendly air purifier. The BlueAir Blue Pure 411i Max boasts a compact, portable build, excellent air-cleaning performance and plenty of smart features, and it is whisper-quiet, too.

Read our full BlueAir Blue Pure 411i Max review (★★★★½)

Featured in: Best air purifiers

Save $50 on our all-time favorite air purifier. The Levoit Core 600S takes the top spot in our guide to the best air purifiers. With a three-stage HEPA filtration system and up to 1,588 square feet coverage, this sleek appliance is a perfect choice for large spaces. It is smart-enabled, too.

Read our full Levoit Core 600S-P review (★★★★½)

Featured in: Best air purifiers, Best air purifiers for allergies

Save $120 on the ultra-powerful Molekule Air Pro. This stylish air purifier is equipped with pollutant-destroying PECO technology and a HEPA filter, and it offers detailed air quality readings and plenty of smart features. It can cover spaces of up to whopping 1000 square feet (92.9 square meters).

Read our full Molekule Air Pro review (★★★★)

Featured in: Best air purifiers, Best air purifiers for allergies

Save $300 on this smart-enabled rowing machine from NordicTrack, the creator of some of our all-time favorite exercise machines. With its 22-inch interactive display, durable design, excellent resistance range and entertaining workouts on-demand, the RW900 rower packs heaps of value.

Save $103 on Fitbit Sense at Walmart. This beautifully made smartwatch may be a few years old, but it still delivers plenty of value for those looking for a reliable all-rounder. Timeless Fitbit design combined with excellent health tracking features, and at a rock-bottom price.

Read our full Fitbit Sense review (★★★★½)

Price check: Amazon: $177

Save 24% on a sleeker and more robust version of our favorite fitness tracker for seniors. It is a great choice for fitness beginners, too. The Samsung Galaxy Watch 6 Classic is now $62 off at Walmart, blowing Amazon's offer out of the water.

Read our full Samsung Galaxy Watch 6 review (★★★½)

Featured in: Best fitness trackers
Price check: Amazon $294.15

Save 9% on the Garmin epix Pro (Gen 2) at Best Buy and Amazon. This ultra-advanced rugged smartwatch is best suited for exercise professionals and passionate outdoor adventurers, thanks to its unbeatable tracking performance, durable design and large, crisp display.

Read our full Garmin Epix 2 review (★★★★)

Featured in: Best Garmin watches
Price check: Amazon $999.99

Save $220 on one of the best Garmin watches at Walmart and Amazon. The Forerunner 945 is an excellent choice for keen runners and triathletes, thanks to its precise workout tracking features, in-depth GPS navigation and eye-pleasing design.

Read our full Garmin Forerunner 945 review (★★★★½)

Price check: Amazon $279.99

Save 23% on the best electric toothbrush on a budget. We rated the Bitvae R2 a massive 4.5 out of 5 stars and gave it a prime spot in our guide to the best electric toothbrushes. This excellent wallet-friendly model includes 8 brush heads, five cleaning modes and up to 60 days of battery life. Not bad for less than $27.

Read our full Bitvae R2 Rotating Electric Toothbrush review (★★★★½)

Featured in: Best electric toothbrushes
Price check: Walmart $48.20

Save $100 on one of the best smart-enabled electric toothbrushes money can buy. The Oral-B iO Series 10 is packed to the brim with advanced features, including an ultra-sensitive pressure sensor and AI-powered brushing guidance, and its excellent brushing performance suits even those with sensitive teeth and complex dental needs.

Read our full Oral-B iO Series 10 review (★★★★½)

Featured in: Best electric toothbrushes

Price check: Walmart $279.99

Save over $1,000 on one of our favorite cameras on the market, and this by far the lowest price we've seen it.

Featured in: Best cameras for wildlife photography

Save $800 on the best DSLR ever made, and this deal even includes a carry case, a 64GB memory card and a bunch of other accessories. It's now cheaper than Amazon.

Read our full Nikon D850 review (★★★★½)

Featured in: Best astrophotography cameras, Best cameras for wildlife photography

Save $1000 on one of the best cameras on the market for a wide range of photography styles. Most places are selling it for the same price, although this Adorama deal throws in a 128GB card and a card reader for free.

Read our full Canon EOS R5 review (★★★★½)

Featured in: Best cameras for wildlife photography

Save $590 on our favorite Sony camera for astrophotography. Its high ISO performance is the best of any Sony camera we've tested and the 33MP images are rich, detailed and pin-sharp. This is the lowest price we've seen it by far.

Read our full Sony A7 IV review (★★★★)

Featured in: Best astrophotography cameras

Save $225 on this amazing little crop-sensor camera with 32.5MP resolution, 4K video, 7 stops of image stabilization and up to 15FPS continuous shooting. It's an ideal camera for users wanting to improve their skills without breaking the bank.

Read our full Canon EOS R7 review (★★★★★)

Save $400 on a telescope that offers sharp views of many different cosmic objects, from planets and the Moon to faint galaxies, nebulas and star clusters.

Featured in: Best telescopes

Save $88 on this affordable GoTo telescope from Celestron. With a database of over 4,000 stars, galaxies, nebulas and more, you can set it to automatically locate and slew to your chosen object with ease. It's not quite as cheap as Prime Day, but it's still cheaper than usual.

Save 30% on these compact binoculars for kids. They're compact and lightweight, so they're ideal for taking on camping trips and throwing them into your backpack.

Make sure you add the 30% coupon to get them for this price.

Read our full Occer 12x25 review (★★★★)

Save 48% on a pair of binoculars with bright, sharp views and a very usable magnification for all-purpose viewing. This price is even cheaper than Prime Day.

They also come in 8x42, 10x50 and 12x50 variants.

Save 57% on these waterproof, fogproof and versatile binoculars. They're an ideal optic for birdwatching and wildlife observation to stargazing and sports games without breaking the bank.