WordPress.com owner Automattic has added another communication-focused startup to its lineup: relationship-management app Clay.

The international space industry is on a growth trajectory, but new research shows a rapid increase in rocket launches would damage the ozone layer.

More information: Seokil Moon et al, Single-layer waveguide displays using achromatic metagratings for full-colour augmented reality, Nature Nanotechnology (2025).

Located in the stratosphere, the ozone layer blocks potentially harmful ultraviolet energy from reaching our planet's surface.

Located in the stratosphere, the ozone layer blocks potentially harmful ultraviolet energy from reaching our planet's surface. What's the status of the hole discovered 40 years ago?

How to change layers in WoW Classic, and addons that will help The only way to change layers in WoW Classic is to join a group. Simply joining a group won’t tell you what your layer is, though.

So countries subject to those restrictions get an end-around by simply stacking 128-layer modules. If YMTC, for example, which was first to release string-stacked products, is to achieve 1,000 layers, ...

Nature News: Squirrels aren't so bad after all Typical deciduous trees that lose their leaves every winter create a separation zone (abscission layer) between the leaf stem and the branch.

Trees begin shutting down as the sun gets lower in the sky. “The leaves fall off the trees through a process called abscission, there’s an abscission layer that’s developed between what we ...

While the auxin reduces, a layer of cells called the abscission layer is broken down, straining the bond between the leaf and the tree branch, according to Forestry and Land Scotland.