Spaceflight Alters Human Heart Cells but They Return to (Mostly) Normal on Earth

Posted: 11/20/2019 | Leave a Comment

With extended stays in space becoming more commonplace and longer missions to the moon and Mars planned, scientists say there is a need to better understand the effects of microgravity on the heart. Past studies have shown that spaceflight can reduce the heart rate, lower arterial pressure and increase cardiac output. But new research examines how microgravity — or zero gravity — influences the human heart at the cellular level.

https://www.cnn.com/2019/11/07/health/space-heart-cells-scn/index.html

Dr. Paul Jaffe, Ph.D. - Harnessing Solar Power via Satellites

Dr. Jaffe is a valued member of the HDIAC SME network and contributor to a number of HDIAC products. He is an electronics engineer and researcher with over 25 years of experience at the U.S. Naval Research Laboratory. We are featuring his recent contribution for the State of the Art Report on Alternative Energy, which takes a look at methods that could be used to capture the energy of sunlight in space and transmit it to ground receiving stations.

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Critical Infrastructure Protection

Critical Infrastructure Protection is one of the HDIAC’s eight technical focus areas. This SOAR reviews the current state of emerging technologies and methodologies relating to the protection of infrastructure and resources critical to national security. The report takes a look at the evolution of our critical infrastructure protective measures, the physical and cyber threats to our critical infrastructure, and the role government has in working with the owners of the largely privately-owned infrastructure assets. Read the SOAR

Alternative Energy: An Enabler of Military Capability

Alternative Energy is one of the HDIAC’s eight technical focus areas. This SOAR reviews the current state of a selection of novel, non-traditional, and/or emerging sources and technologies for harvesting, generating, and reusing energy. It offers synopses of new programs; summaries of significant technological breakthroughs and technology applications; highlights of outstanding developments; and impacts to the DoD. Read the SOAR

Operational Energy - Powering Military Operations to Achieve National Defense Strategy Objectives

Volume 7, Issue 1 of the HDIAC Journal contains article covering several of HDIAC's eight technical focus areas, to include Homeland Defense and Security, Alternative Energy, Weapons of Mass Destruction, Biometrics, and Critical Infrastructure Protection.

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Countermeasures Against the Degradation of Warfighter Capabilities due to Infectious Disease Threats

This State of the Art Report explores the impact of infectious disease on military personnel, providing both an historical and ongoing risk profile of the various infectious diseases that put the warfighter at risk. It includes a look at the historical impact of infectious diseases on past conflicts before going on to detail current and future infectious disease risks, their impact on the warfighter, and challenges in prevention or treatment, and concludes with a quick-look summary of state of the art developments and recommended countermeasures to aid leaders during training and planning. Read the SOAR

Protecting Critical Infrastructure in the Digital Age

Volume 6, Issue 4 of the HDIAC Journal covers four of HDIAC's eight focus areas with articles on Critical infrastructure Protection, Biometrics, Medical, and Alternative Energy.

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Welcome to the HDIAC

Stephen Redifer, Director of the Homeland Defense and Security Information Analysis Center (HDIAC) welcomes you to your community of practice.

The mission of the HDIAC is to provide users with focused expert technical consulting and unbiased scientific and technical information through in-depth analysis and the creation of specialized information products in support of the HDIAC' s eight vital technical focus areas.

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