This hybrid bridge - compass pose stretches spinal side flexors, hamstrings, and groin Opens the sides of the ribcage, ...

Beneath the bogs of New Zealand’s Northland is a massive Ngāwhā kauri, living from 41,000 to 42,500 years ago, which gives an isolated, unbroken record of a period when Earth’s magnetic field declined ...

This article was originally published with the title “ Variation of the Magnetic Needle ” in Scientific American Magazine Vol. 10 No. 42 (June 1855), p. 331 doi:10.1038 ...