Researchers developed aluminum structures that trap air bubbles, making them able to float perpetually in even the harshest environments.

Researchers developed aluminum structures that trap air bubbles, making them able to float perpetually in even the harshest environments.

Researchers developed aluminum structures that trap air bubbles, making them able to float perpetually in even the harshest environments.

Archaeologists say a 2,200-year-old specimen is the first direct evidence of how the Carthaginian war machine used the giant mammals

Researchers developed aluminum structures that trap air bubbles, making them able to float perpetually in even the harshest environments.

Archaeologists say a 2,200-year-old specimen is the first direct evidence of how the Carthaginian war machine used the giant mammals

Archaeologists say a 2,200-year-old specimen is the first direct evidence of how the Carthaginian war machine used the giant mammals

Archaeologists say a 2,200-year-old specimen is the first direct evidence of how the Carthaginian war machine used the giant mammals

Archaeologists say a 2,200-year-old specimen is the first direct evidence of how the Carthaginian war machine used the giant mammals

Archaeologists say a 2,200-year-old specimen is the first direct evidence of how the Carthaginian war machine used the giant mammals