Not all time capsules live up to expectations. For Smithtown, Long Island’s 350th birthday in 2015, officials clad in ...

The 250-pound container, interred at Liberty Cemetery, will be opened in 100 years. Putting the finishing touch on his most ambitious and far-sighted project to date, George Baur watched his vision of ...

Concrete sewage pipes lead a hard life, constantly being exposed to corrosive acid produced by bacteria in wastewater. A new additive could allow such concrete to self-heal – and it would do so using ...