A new study explores “heartbeat consumption,” a fitness metric that counts daily heartbeats. Could smartwatches soon track your heartbeat budget?

For more than three decades Nigel Sizer has orbited the front lines of environmental policy. His résumé spans forest ...

The primary work of an experimental model basin is the estimation, with reasonable accuracy, of the resistance and horse-power of full-sized ships from experiments with small and inexpensive models.