Taylor Leamey wrote about all things wellness for CNET, specializing in mental health, sleep and nutrition coverage. She has invested hundreds of hours into studying and researching sleep and holds a ...

Elysse Bell is a finance and business writer for Investopedia. She writes about small business, personal finance, technology, and more. Erika Rasure is globally-recognized as a leading consumer ...

本研究针对非人哺乳动物能否通过学习主动控制共振峰（Formants）这一关键问题，以一只成年雄性港海豹（Phoca vitulina）为对象，通过操作条件反射训练其在上声道（upper vocal tract）运动中产生条件化发声（CD），并与基线发声（BL）进行纵向对比。研究发现海豹能 ...