The human use of fire, attested by evidence from Africa, goes back around 1.6m years. But, hitherto, the oldest signs of deliberate fire-setting by striking pyrite with flints, unearthed in France, ...

How a Finnish physicist named Karl Lemström once became obsessed with recreating the aurora borealis from scratch – and may ...

Veterans flood Democrat’s office with supportive calls as backlash grows over ‘illegal orders’ video Flight diverted in Texas for hours—passengers not prepared for what arrives 17-year-old arrested in ...

Abstract: In order to improve the applicability of wearable devices in the field of human motion recognition and expand their applicability in the upper limbs, this article proposed a ...