Fifty years ago, Hewlett-Packard introduced the first handheld scientific calculator, the HP-35. It was quite the engineering feat, since equivalent machines of the day were bulky desktop affairs ...

In his RTX 4090 review, Chris Coke writes, "The RTX 4090 may be huge and expensive ... even the $1,599 price doesn’t seem unreasonable for the unrivaled frame rates that this card can crank out." New ...

Computers are my lifelong obsession. I wrote my first laptop review in 2005 for NotebookReview.com, continued with a consistent PC-reviewing gig at Computer Shopper in 2014, and moved to PCMag in ...

The HP OmniBook Ultra Flip 14 is a well-made convertible 2-in-1 with a gorgeous display and very good battery life. It won't ...

The design remains the same, but you get a new processor and a more generous RAM offering without a price increase. Sadly, ...

Not that it matters, really — the iMac M4's display looks lovely, and as you can see from our test results it gets nearly as ...

If you need light-duty printing—and don't need it done in color—HP's LaserJet M209d ($119) may be the printer you want ...

I reviewed the HP Envy 6155e, a sleek, budget all-in-one printer that relies on HP Instant Ink to keep supply costs low.

在2024年欧洲消化疾病周（UEGW）上，幽门螺杆菌（H. pylori）耐药性的研究成为了热点话题。随着全球抗生素耐药问题的日益严峻，H. pylori耐药性的研究对于指导临床治疗具有重要意义。研究亮点一：欧洲H.

点击上方“Vaccine前研”，关注最新疫苗动态婴幼儿是社会的未来，他们的健康状况直接影响着一个国家的发展和稳定。但幼年时期的他们时刻站在健康与疾病的十字路口。尤其是六个月以下的婴幼儿，免疫系统尚未完全觉醒，是细菌与病毒虎视眈眈的目标。接种疫苗可以帮 ...

At a gravel pit-turned-off-road park in Michigan, the 2025 Ram 1500 RHO was sailing dozens of feet through the air, softly landing on a powdery, soft dirt road. Despite the smooth landing, the truck ...

A set of optional adaptive dampers provides adjustable ride quality. At our test track, the 302-hp CLA35 managed a quick 4.4-second zero-to-60-mph time, and the CLA45—back when it made only 382 ...