Tanks on a Russian Roll; NK Nuclear; Warning Iran; Forgetting the Dentist; Artificial Leaf; and The Package Sorting Van

NATO

For 1st time since Cold War, U.S. tanks roll into Russia's backyard cbsnews

All the massive hardware of a U.S. combat brigade arrived in Germany over the weekend, and started rolling east toward Poland, where 4,000 American soldiers will be waiting for it.

North Korea

[INFOGRAPHIC] Nuclear North Korea fingfx.thomsonreuters p

North Korea declared on Sunday it could test-launch an intercontinental ballistic missile (ICBM) at any time from any location set by leader Kim Jong Un. [The infografic] is a look at all aspects of the North's nuclear weapons program and missile capabilities.

Iran

US Navy 'fires warning shots' towards Iranian vessels in the Strait of Hormuz telegraph.co.uk

The officials, speaking on the condition of anonymity, said the USS Mahan navy.mil established radio communication with the boats but they did not respond to requests to slow down and instead continued asking the Mahan questions.

Medical

Alzheimer's drug to help boost natural tooth repair business-standard

The novel, biological approach encourages natural tooth repair rather than using cements or fillings which are prone to infections and often need replacing a number of times.

Research

Artificial Leaf Goes More Efficient for Hydrogen Generation news.unist.ac.kr t

In the study, the research presented a hetero-type dual photoelectrodes, in which two photoanodes of different bandgaps mit are connected in parallel for extended light harvesting. Their new artificial leaf mimics the natural process of underwater photosynthesis of aquatic plants to split water into hydrogen and oxygen, which can be harvested for fuel.

Future Tech

Mercedes made a crazy van with built-in drones and robot arms to deliver the packages of tomorrow qz v

Rather like Amazon’s vision for automated warehouses and drone deliveries, Mercedes’s “Vision Van” concept is meant to cut down on the amount of time it takes to sort packages for delivery as well as the actual delivery time—except it’s on four wheels. The electric van has no windows (apart from a windshield) and no steering wheel or pedals: The driver controls the vehicle with just a joystick.

Other...

A day in the life of an entomologist mashable v