A tree stump that should be dead is still alive; here's why

Within a shrouded New Zealand forest, a tree stump keeps itself alive by holding onto the roots of its neighboring trees, exchanging water and resources through the grafted root system. New research, publishing July 25 in ...

Graphene joins the race to redefine the ampere

A new joint innovation by the National Physical Laboratory (NPL) and the University of Cambridge could pave the way for redefining the ampere in terms of fundamental constants of physics. The world's first graphene single-electron ...

Desert ants found to have dual navigation systems

(Phys.org)—A pair of researchers with Ulm University has found that a type of African desert ant has two navigational systems for helping it find its way back to the nest. In their paper published in the journal Science, ...

The geography of Antarctica's underside

Planetary scientists would be thrilled if they could peel the Earth like an orange and look at what lies beneath the thin crust. We live on the planet's cold surface, but the Earth is a solid body and the surface is continually ...

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