Shortly after Baltimore Schools accused Concentric Educational Solutions in spring of 2023 of overbilling the system by at least $620,000, the vendor couldn’t make its company payroll, according ...

Under the microscope, cylindrical structures of concentric lamellae are visible inside the hard shell, arranged around central blood vessels.

The board of directors of Concentric unanimously recommends Concentric's shareholders to accept the public offer from Circle BidCo. STOCKHOLM, Aug. 29, 2024 /PRNewswire/ -- On August 29, 2024 ...