Prehistoric time line, geologic time scale, photos, facts, maps, and more from National Geographic. Humans have walked the Earth for 190,000 years, a mere blip in Earth's 4.5-billion-year history.

884-897 (14 pages) The diversity, biogeography, and size distribution of diatoms in the North Pacific and underlying ... Temperature and zooplankton size structure: Climate control and basin-scale ...

The table below sets out the time-scale of some of the major events in Earth history and developments in science and technology. It shows something of the parallel development of human ...

Adtran has launched its Oscilloquartz Time Scale System, designed to meet the precise timekeeping requirements of national metrology institutes, scientific research facilities and other applications ...

Now is the time to step up and deliver ... There have also been questions over whether it is built to scale, and what needs to be done to ensure the robust guardrails and infrastructure of ...

In humankind's ever-ticking pursuit of perfection, scientists have developed an atomic clock that is more precise and accurate than any clock previously created. The new clock was built by ...

How TIME and Statista Determined the World's Most Sustainable Companies of 2024 For the first time, TIME has partnered with Statista to identify the World’s Most Sustainable Companies for 2024 ...

Our diatom research is focused on the pursuit of comparative biology: the systematics, evolution and biogeography of freshwater diatoms. The research covers both extinct and extant taxa, and utilises ...

Garden pests can include fruit flies, squash bugs, Japanese beetles, stink bugs, scale insects and other common garden pests ... They can consume a large number of pests in a short time. Lacewing ...

Sea lions — and other marine mammals — become poisoned when they eat large amounts of fish or invertebrates that have been ...

September 19, 2024--(BUSINESS WIRE)--Adtran today launched its Oscilloquartz Time Scale System, developed to meet the precise timekeeping requirements of national metrology institutes, scientific ...

the Oscilloquartz Time Scale System addresses the growing demand for resilient and accurate time synchronization across various sectors, ensuring operational continuity and data integrity in an ...