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A tracker is only useful if it actually fits where you need it to, and that’s where the MagTag Ultra Slim Tracker Card leans on design rather than bulk. It’s priced at $23.99 (reg. $59.99) through the early-shipping window ending Dec. 14.

In a wide range of social species, when an animal is sick, it takes itself away from its group. Ant pupae are unable to move, however, so they've developed a unique mechanism that leads them to sacrifice their own life for the betterment of the nest.

Okay, so you know how it absolutely sucks when you're exploring the polar icecaps and your flashlight craps out at sub-zero temperatures? Your batteries might be to blame – and the solution might be an alternative to conventional lithium-ion cells.

Bears look like textbook mammals, but hidden in their evolutionary history are two dramatic departures from the rules of growth and adaptation. Scientists have now unlocked when, and how, ancient bears broke the rules and hacked nature out of need.

In a groundbreaking new study, scientists took a closer look at how bumble bees respond to positive experiences inside the nest. They found positive attitudes are quite literally contagious, spreading between bees within seconds.

A new study has looked into whether electric cars are really better for the environment than gas-powered cars. It turns out that this is indeed the case: after two years of use, EVs start reducing their total carbon footprint compared to gas cars.

You can now get astride an MV Agusta without totally breaking the bank – well, at least not by a whole lot more than you'd spend for other middleweight naked motorcycles, anyway. That's the promise with the updated Brutale 800.

More than 60 million years on from its final day on Earth, there's a dinosaur we owe an apology. Paleontologists confirm that the Tyrannosaurus rex locked in combat with a Triceratops in the famous Dueling Dinosaurs specimen is not a T. rex after all.

For the first time in geologic history, scientists are bearing witness to the Juan de Fuca Plate tearing apart in pieces and losing its connection to the upper mantle. This is the first glimpse of what happens when one of Earth’s most powerful engines begins to wind down.

Ultra-slow-motion footage has revealed that snake strikes aren’t the simple, lightning-fast stabs we imagine. Instead, each deadly family has evolved its own sinister, precision method for delivering venom in just milliseconds.

I stood in the windy desert of Nevada watching one vehicle after the next launch out of the inflatable arch and into the sand ahead. These women were heading out into the unknown with nothing more than a map and a pencil to guide them. It was pretty badass.

Following up on the 50th anniversary ring watch Casio introduced last year, the new G-Shock Nano adds a beefier build with 200-m water resistance, shock resistance and a working mini-strap. This one is truly a G-Shock shrunken down to finger size.