Researchers dig up secrets of 'self-healing' Roman concrete

Researchers dig up secrets of 'self-healing' Roman concrete

How have Rome's ancient aqueducts and architectural marvels such as the Pantheon, which features the world's largest unreinforced concrete dome, endured the test of time?

Researchers dig up secrets of 'self-healing' Roman concrete

Researchers dig up secrets of 'self-healing' Roman concrete

Researchers dig up secrets of Roman concrete

How have Rome's ancient aqueducts and architectural marvels such as the Pantheon, which features the world's largest unreinforced concrete dome, endured the test of time?

Researchers dig up secrets of 'self-healing' Roman concrete

WASHINGTON - How have Rome's ancient aqueducts and architectural marvels such as the Pantheon, which features the world's largest unreinforced concrete dome, endured the test of time?

Researchers dig up secrets of 'self-healing' Roman concrete

How have Rome's ancient aqueducts and architectural marvels such as the Pantheon, which features the world's largest unreinforced concrete dome, endured the test of time?

Researchers dig up secrets of 'self-healing' Roman concrete

How have Rome's ancient aqueducts and architectural marvels such as the Pantheon, which features the world's largest unreinforced concrete dome, endured the test of time?