Boxed Vintage FROG Buccaneer Ready to Fly kit plane, model qruhvw884-Clockwork/Wind-Up

Meccano rare vintage 23 awg cable cotton insulated-1930's..excellent condition

KNOCK  Mother bees have to do their own hunting for pollen and nectar in the Ceratina nigrolabiata species, but a male bee (shown) eager to mate with her will watch her young while she’s gone.

BLASTS FROM THE PAST  Swift, powerful bursts of charged particles emitted by the sun can be strong enough to breach Earth’s magnetosphere (blue bubble in illustration). To see how common such emissions have been in Earth’s past, scientists look for telltale data in tree rings and ice cores. 

Science News