Figure 1: Processing approach and mechanical performance of densified wood. The well-aligned cellulose nanofibres dictate the anisotropic mechanical properties of densified wood (Extended Data Fig. 9a ...

ARK Invest CEO Cathie Wood said the AI space is already being ruled by a group of “big four” players. The 69-year-old investor said OpenAI, Anthropic, Elon Musk’s xAI, and Google’s Gemini are ...

Cathie Wood, head of Ark Investment Management, is known for betting on tech companies she believes can “disrupt” the future. But she doesn’t hesitate to shuffle her portfolio, sometimes trimming or ...