"关键词检索结果

女性是否存在预防阿尔茨海默病的"机会窗口"?

Is there a ‘window of opportunity’ to prevent Alzheimer’s in women?

两项新研究指出早绝经和激素治疗在认知衰退中的作用,但专家表示还需要更多研究。

在2023年的一次采访中,特朗普提名的FDA新负责人阐述了"基于保守派"科学的愿景

In a 2023 interview, Trump’s new FDA pick laid out a vision for ‘conservative-based’ science

在2023年的一次播客采访中,Heidi Overton呼吁创建支持保守派政策的“替代系统”用于发表研究

"你刚刚救了视频天线":两名宇航员完成太空行走更换ISS天线

'You just saved the video dish': Two astronauts complete spacewalk to replace ISS antenna

宇航员Anil Menon和Sophie Adenot于周二完成了6.5小时的太空行走,在国际空间站外部安装了替换的空地天线。

研究人员培育出用于极限奔跑的"超级小鼠"。他们预期会有副作用,但并没有

Researchers Bred ‘Supermice’ for Extreme Running. They Expected a Downside, But There Wasn’t Any

令人惊讶的是,经过多代专门为长距离跑步培育的小鼠似乎与对照组一样健康。

团队找到"唤醒"疲惫免疫细胞的方法

Team finds way to ‘wake up’ tired immune cells

一种新疗法就像给“疲惫”的免疫系统打了一针浓缩咖啡。它可能恢复身体对抗癌症和感染的防御能力。

收听:关于"爆炸性腹泻"寄生虫你需要知道什么

Listen: What you need to know about the ‘explosive diarrhea’ parasite

在一个新播客中,一位专家解释了您需要了解的关于环孢子虫的知识。

"支持性"脑细胞可能驱动认知衰退

'Supportive' Brain Cells May Drive Cognitive Decline

爱丁堡大学

一项研究发现,认知能力下降更严重的人其神经纤维和髓鞘(帮助神经纤维传导的髓鞘)发生了变化...

餐巾纸上启动的核太空发动机

The Nuclear Space Engine That Started on a Napkin

Harry Goldstein,IEEE Spectrum 1982 年的一天,Joseph "Rod" Canion 和来自德克萨斯州的两位同事...

空降 08.26.26:彗星复活,CAP 中队停用,Syberjet 记录

Airborne 08.26.26: Comet Resurrection, CAP Squadron Deactivated, Syberjet Record

另外:FAA 诉 Bogus Parts、阿拉斯加 ANG 救援、FAA 诉 Tempest、Vision Jet 进入封闭跑道 一架传奇的英国赛车即将开启其非凡飞行生涯的新篇章。德哈维兰 DH.88 彗星在沙特尔沃思着陆时受损,但它的未来已经在向天空展望。这架飞机的保管人打算让这架历史悠久的机器恢复适航状态。在贝德福德郡老沃登举行的飞行逍遥音乐节飞行表演期间发生事件后,沙特尔沃思信托基金会已确认打算重建彗星号。位于怀俄明州杰克逊霍尔的怀俄明州民用空中巡逻队前指挥官史蒂夫·福斯特表示,在与该州新领导层发生了几个月的争执后,怀俄明州民用空中巡逻队已经解散了提顿民用空中巡逻中队。在罗德尼·伯内特上

埃格林空军基地飞行员动员执行救生医疗飞行

Eglin AFB Airmen mobilize for life-saving medical flight

当第413飞行测试中队接到空军救援协调中心的电话时,通常是社区中某人需要挽救生命的重症监护航班的最后手段。
A 413th Flight Test Squadron UH-1 H

美国海军核潜艇建造和维护耗资数十亿美元:退役增加1亿美元以上成本

US Navy Nuclear Submarines Cost Taxpayers Billions of Dollars to Build and Maintain: Retirement Adds a $100,000,000 More In Costs

Puget Sound Naval Shipyard, Wash. (Aug. 14, 2003) -- Illustration of USS Ohio (SSGN 726) which is undergoing a conversion from a Ballistic Missile Submarine (SSBN) to a Guided Missile Submarine (SSGN) designation. Ohio has been out of service sin

海军曾估算660亿美元用于航母载F-22‘海猛禽’战斗机。取而代之的是以33亿美元开发了F/A-18超级大黄蜂

The Navy Estimated $66,100,000,000 for an Aircraft Carrier-based F-22 ‘Sea Raptor’ Fighter. It Developed the F/A-18 Super Hornet for $3,300,000,000 Instead

F-22 Raptor Fighter U.S. Air Force.

12,000辆M48巴顿坦克被建造:原版M48使用汽油,仅能行驶135英里。柴油版续航里程翻倍以上

12,000 M48 Patton Tanks Were Built: The Original M48 Ran on Gasoline and Could Only Go 135 Miles. The Diesel Version More Than Doubled It.

M48 Patton Tank早期的M48装备

12,000,000小时空中飞行:美国海军F/A-18超级大黄蜂虽不如F-22或F-35那样的隐形战斗机,却是伊朗战争中的首选战机

12,000,000 Hours in the Sky: The US Navy F/A-18 Super Hornet Is No Stealth Fighter Like the F-22 or F-35 But Was the Go To Fighter in the Iran War

A U.S. Navy F/A-18F and F-35, both assigned to Air Test and Evaluation Squadron (VX) 9, fly over the Point Mugu Sea Range in Southern California with a U.S. Air Force F-15 during Gray Flag 2024 on Sept. 24, 2024. Gray Flag is an annual large-forc

美国海军已支付1.11亿美元用于停泊核动力航母USS Enterprise,等待拆解

The US Navy Has Paid $111,000,000 Just to Park Nuclear Aircraft Carrier USS Enterprise While It Waits to Be Taken Apart

ATLANTIC OCEAN (July 14, 2011) The aircraft carriers USS Enterprise (CVN 65) and USS Dwight D. Eisenhower (CVN 69) pass as Enterprise returns to homeport after completing a six-month deployment to the U.S. 5th and 6t Fleet areas of responsibility

中国歼-16战斗机首次与法国达索阵风战斗机正面交锋,发生在埃及上空

A Chinese J-16 Fighter Went Head-to-Head With a French Dassault Rafale for the First Time in History, and It Happened Over Egypt

Dassault Rafale Overhead

空军需要300亿美元的新型F-22猛禽轰炸机版本FB-22,速度可达1.8马赫

The Air Force Needed $30,000,000,000 for a New Type of F-22 Raptor as a Bomber That Would Fly Mach 1.8 Named the FB-22

FB-22 Stealth Bomber Artist Rendering

82,000吨对8,957吨:当美国海军航母以25节速度撞击巡洋舰时发生了什么,核武器可能引爆

82,000 Tons Against 8,957: What Happened When a US Navy Aircraft Carrier Hit a Cruiser at 25 Knots and Nuclear Weapons Could Have Detonated

USS John F. Kennedy